Plasma breakthrough indicates a human Mars mission could make its own oxygen Plasma breakthrough indicates a human Mars mission could make its own oxygen
New data presented from Cassini's Grand Finale New data presented from Cassini's Grand Finale
Ancient Mars could have been cold and still had flowing liquid water Ancient Mars could have been cold and still had flowing liquid water
Scientists detect gravitational waves produced by colliding neutron stars Scientists detect gravitational waves produced by colliding neutron stars
Chinese space station is falling back to Earth Chinese space station is falling back to Earth
Dwarf planet Haumea has a ring Dwarf planet Haumea has a ring
SpaceX successfully completes Falcon 9 launch, booster landing SpaceX successfully completes Falcon 9 launch, booster landing
Ancient Martian formations could show how life started on Earth Ancient Martian formations could show how life started on Earth
Proxima b exoplanet might appear green Proxima b exoplanet might appear green
SpaceX postpones launch of communications satellite SpaceX postpones launch of communications satellite
Ancient Moon had a transient atmosphere Ancient Moon had a transient atmosphere
Microbe study could help astronauts on deep space missions Microbe study could help astronauts on deep space missions
Methane deposits may have once allowed liquid water to flow on Mars Methane deposits may have once allowed liquid water to flow on Mars
Mars' equator may contain water ice Mars' equator may contain water ice
Elon Musk hatches plan for spaceflight vehicle that doubles as an Earthbound airliner Elon Musk hatches plan for spaceflight vehicle that doubles as an Earthbound airliner
'Invisible' space radiation could hold back manned mission to Mars 'Invisible' space radiation could hold back manned mission to Mars
European scientists seek to build moon colony by 2030 European scientists seek to build moon colony by 2030
Asteroid-bound spacecraft slingshots past Earth Asteroid-bound spacecraft slingshots past Earth
China plans unmanned Mars mission for 2020 China plans unmanned Mars mission for 2020
Strange binary system consists of asteroid-comet hybrids Strange binary system consists of asteroid-comet hybrids
Small 'nanofleet' could help researchers explore distant asteroids Small 'nanofleet' could help researchers explore distant asteroids
Satellites that monitor Earth's water are nearly out of fuel Satellites that monitor Earth's water are nearly out of fuel
Strange exoplanet absorbs almost all light that reaches it, study reports Strange exoplanet absorbs almost all light that reaches it, study reports
SpaceX reveals new spacesuit for Dragon capsule astronauts SpaceX reveals new spacesuit for Dragon capsule astronauts
Scientists have new method to determine galaxies' shapes Scientists have new method to determine galaxies' shapes
Boron traces give further evidence that Mars once had life Boron traces give further evidence that Mars once had life
Powerful solar storms erupt from the Sun Powerful solar storms erupt from the Sun
Massive black hole found lurking at center of Milky Way Massive black hole found lurking at center of Milky Way
Mysterious series of fast radio bursts detected from distant galaxy Mysterious series of fast radio bursts detected from distant galaxy
Dark Energy Survey maps 26 million galaxies Dark Energy Survey maps 26 million galaxies
SpaceX successfully launches 12th resupply mission SpaceX successfully launches 12th resupply mission
Trappist-1 planetary system formed as long ago as 9.8 billion years, NASA says Trappist-1 planetary system formed as long ago as 9.8 billion years, NASA says
Moon's magnetic field lasted much longer than previously thought Moon's magnetic field lasted much longer than previously thought
Four potentially-habitable exoplanets found 12 light years from Earth Four potentially-habitable exoplanets found 12 light years from Earth
100 million black holes in Milky Way galaxy, new study says 100 million black holes in Milky Way galaxy, new study says
Juno spacecraft set to fly over Jupiterís Great Red Spot Juno spacecraft set to fly over Jupiter's Great Red Spot
NASA will test new defense system against asteroids NASA will test new defense system against asteroids
SpaceXís second Falcon 9 rocket launch successful SpaceX's second Falcon 9 rocket launch successful
NASA says asteroid impacts could have caused Marís present climate NASA says asteroid impacts could have caused Mar's present climate
Soccer ball recovered from the ill-fated Challenger Flown in Space Soccer ball recovered from the ill-fated Challenger Flown in Space
Orionid meteor shower will peak this weekend
Bright meteors are composed of debris from Halley's Comet.
Organics on Ceres are likely native
Distribution of organic materials is inconsistent with delivery by comets or asteroids.
Japanese orbiter finds lunar cave that could someday house astronauts
As safest location for astronauts, lava tubes could be ideal sites for constructing Moon bases.
NASA researching radiation protection for future Mars astronauts
Shielding, pharmaceuticals, and faster rockets are all being studied for the protections they provide.
OSIRIS-REx spacecraft photographs Earth and Moon
Ten days after Earth gravity assist, MapCam camera looks back on Earth-Moon system.
NASA leads an asteroid "fire drill" as asteroid nears Earth
The network's test is going well so far and is monitoring the asteroid as expected, according to NASA researchers.
Astronomers discover extremely luminous nova
First nova ever found in Small Magellanic Cloud is studied in multiple wavelengths.
Titan experiences intense rainstorms
Fan-shaped regions of alluvial deposits correspond exactly with areas of highest rainfall.
Tiny solar flares may be heating up the Sun's corona
Origin of coronal X-ray emissions could be key to answering a question that has long baffled scientists.
Moon may have once had an atmosphere, study reports
New research shows the moon had an ancient atmosphere that lasted some 70 million years before dissipating.
NASA satellites get first views of calved Antarctic iceberg in sunlight
Future of iceberg and Larsen C ice shelf remain uncertain.
Trump administration seeks return to the Moon
Establishing a lunar base seen as crucial for training astronauts and launching missions to Mars and beyond.
Dust cloud surrounding Tabby's Star may be causing strange dimming
Latest observation shows dimming is not equal in all wavelengths.
ALMA photographs debris ring around young star Formalhaut
Disk's chemical composition is strangely similar to that of comets in our solar system.
Discoverers of gravitational waves win physics Nobel Prize
Ripples in space-time theorized by Einstein had eluded scientists for a century.
Hubble images distant comet beyond Saturn's orbit
Comet that originated in Oort Cloud has likely been active for at least four years.
Launch of James Webb Space Telescope postponed to spring 2019
Delay is due to difficulties integrating various parts of the telescope and will not increase its budget.
Mars Odyssey data reveals possible water ice near Martian equator
High levels of hydrogen detected could exist within subsurface water ice.
Solar sail proposed for ISS successor
New technology could help maintain future space station's orientation.
Rocket failure causes China to postpone lunar sample return mission
Huge Long March rocket is key to China's ambitious long-term space program.
Pluto's bladed terrain is composed largely of methane ice
Strange features are products of complex geological and climate history.
Scientists confirm fourth detection of gravitational waves
Finding is first for new Virgo detector that began operating on August 1.
Newly found star cluster may have originated beyond the Milky Way
Spectroscopy enables scientists to determine cluster's chemical composition.
High-energy cosmic rays have extragalactic origin
More high-energy cosmic rays are coming from a specific direction that lies outside the Milky Way galaxy, leading astronomers to conclude they have an extragalactic origin.
Powerful cosmic rays originate far beyond our solar system, study reports
New research from a team of international researchers could help shed light on the origin of ultra-high-energy cosmic rays.
NASA and NOAA satellites follow Hurricane Maria from space
Satellites provide crucial data on storm's structure, temperature, and precipitation levels.
Mercury's poles may contain significant water ice
Discovery of large ice deposits lead scientists to suspect many similar, smaller deposits are also present at the poles.
K2 mission finds three super-Earths orbiting a K-type star
Planets' relative closeness and brightness make them excellent candidates for study with new James Webb Space Telescope.
Water-moon map created for the first time
For the first time in history, researchers have managed to map the spread of water across the moon's surface.
Several of Uranus' moons may someday collide
Tiny moon Cressida is also causing distortion in one of the planet's rings.
Bizarro world: Huge exoplanet traps nearly all visible light
The Hubble Space Telescope has found a pitch black exoplanet that traps almost all visible starlight.
Mars' crust found to be less dense than previously thought
Researchers often add constraints or adjustments that compensate for the fact that their data cannot include every last detail, to their studies.
New Horizons might fly by additional KBO after MU69
That changed with the final occultation in July, when mission scientists successfully obtained data about the object's shape from observing the event in Patagonia, Argentina, with portable telescopes.
Transiting Earth could be detected from nine exoplanets
Numerous exoplanet discoveries with this method have led scientists to question whether hypothetical alien civilizations with the same technological level as Earth could detect our planet passing in front of the Sun.
Cassini in mission's final week
The spacecraft will plunge into Saturn by the end of the year.
SpaceX launches military space plane ahead of Hurricane Irma
Since 2010, the X-37Bs have completed a total of four space missions and have spent increasingly lengthening durations in space.
Names for features on Pluto and its moons approved by IAU
Fourteen names for features on Pluto and its five moons submitted by NASA's New Horizons mission have been approved by the International Astronomical Union (IAU) Working Group for Planetary System Nomenclature.
China "replicates" Mars at Tibet site for astronauts and tourists
China is spending 400million-yuan ($61.6 million) on the site, which spans 59,000 square miles and is located in the Qinghai province, a northern area of Tibet that is close to the westernmost tip of the Great Wall.
Element important for life found in Mars' Gale Crater
The element was discovered in mineral veins composed of calcium sulfate, which could have been produced by surface water billions of years ago.
Voyager missions mark 40 years exploring the final frontier
On Tuesday, NASA and the Smithsonian National Air and Space Museum celebrated the 40th anniversary of two Voyager spacecraft, which left Earth in 1977 to explore the cosmos.
Scientists discover second-fastest-spinning millisecond pulsar
Designated PSR-J0952-0607 or simply J0952, the pulsar is about 1.4 times as massive as the Sun and has a binary companion star of approximately 20 Jupiter masses orbiting it every 6.4 hours.
NASA celebrates 40th anniversary of Voyager probes
Cassini mission chief scientist Linda Spilker worked on the Voyagers' Infrared Spectrometer and Radiometer in her first position after graduating from college.
Hubble data indicates TRAPPIST-1 planets may have water
Low-energy ultraviolet radiation breaks water up molecules into hydrogen and oxygen through a process known as photo-dissociation.
Record-breaking astronaut Peggy Whitson is returning from ISS
Her Houston home, where she lives with her husband Clarence Sams, who works at the Johnson Space Center, has withstood the destruction caused by Hurricane Harvey.
Lunar Reconnaissance Orbiter images August 21 solar eclipse
This process, which forms an image line by line, is different from that used by standard cell phones and digital cameras, which frame images instantly.
California startup hopes to build a factory in space
It's common for U.S. manufacturers to outsource production to less-developed countries where the overhead is less, but one California-based startup looks forward to a future where companies may outsource production to low-Earth orbit.
Satellite rides into space via converted missile parts
Private space-flight company Orbital ATK built the rocket, a five-stage Minotaur IV. Its first three stages are derived from a decommissioned intercontinental ballistic missile.
Scientists simulate Uranus' and Neptune's "diamond rain" in lab
NASA's InSight lander will probe Mars' interior
Optimal launch conditions from Earth to Mars occur every 26 months, which is why the mission was postponed for two years.
Cassini to begin last five Grand Finale orbits
Spacecraft's science instruments will probe deeply into Saturn's atmosphere.