After two years of searching, the icy observatory has finally found evidence of the high-energy particles, which may have come from a distant black hole or supernova.
NASA scientists recorded the biggest explosion from a meteorite impact seen on the moon in eight years of monitoring.
Opening spaceflight up to the masses could help spark a global conservation ethic that stems the tide of environmental destruction on Earth, NASA's science chief says.
"Lunar meteor showers" happen more common than anyone ever expected, with hundreds of detectable impacts occurring every year.
A Russian capsule carrying mice and lizards has returned to Earth after spending a month in space.
Legendary Apollo 13 astronaut Jim Lovell has signed on with a commercial lunar exploration firm to help make private trips to the moon a reality, the company Golden Spike announced today (May 15).
The organizers of a private plan to send two people on a round-trip flyby of Mars in 2018 are choosing between a variety of commercial rockets and a NASA booster for the mission.
OSIRIS-REx will scoop up a couple of ounces of dirt from the asteroid Bennu and bring it back to Earth.
Electric vehicles aren't just popular on the ground — it turns out they're all the rage in space these days, too.
The industry and the F.A.A. say the climate effects of flying civilians into space will be negligible, but some scientists fret about the accumulation of black carbon in the stratosphere.
A massive asteroid will pass by Earth.
Electric cars may still play second fiddle to gas-guzzlers here on Earth, but they've dominated the Martian driving scene for more than a decade.
A private space plane has arrived at a NASA facility in California to undergo tests that will help vet its ability to ferry astronauts to and from the International Space Station.
It's 1.7 miles long. Its surface is covered in a sticky black substance similar to the gunk at the bottom of a barbecue.
A boulder-sized meteor slammed into the moon in March, igniting an explosion so bright that anyone looking up at the right moment might have spotted it, NASA announced Friday.
A team of scientists has won a berth on a tiny satellite to explore one of NASA's most important frontiers in climate studies: the imbalance in Earth's energy budget and the extent to which fast-changing phenomena, like clouds, contribute to that imb
Uranus and Neptune are home to some of the most extreme winds that can be found in our solar system.
Scientists are exploring ways to keep the ailing planet-hunting Kepler telescope operational
The planet-hunting days of NASA's prolific Kepler space telescope, which has discovered more than 2,700 potential alien worlds to date, may be over. The second of Kepler's 4 reaction wheels — devices that allow the observatory to maintain its
A private space exploration company's plans to build a novel moonship to return human explorers to the lunar surface has moved one step closer to reality.
With all the futuristic talk today about missions to Mars, lunar bases and asteroid mining, it's easy to forget that man has already been living off of the planet on and off for decades.
Remember the amazing picture I posted last week of the squashed, eclipsed Sun rising into the Australian sky?
A telescope in Chile has captured stunning new photos of a cosmic ribbon shimmering in the Orion nebula more than 1,000 light-years from Earth.
In the "Star Trek" TV shows and films, the U.S.S. Enterprise's warp engine allows the ship to move faster than light, an ability that is, as Spock would say, "highly illogical."
Just a week after Virgin Galactic made history with its first rocket-powered test flight, the commercial spaceflight company announced that it is hiring two veteran pilots, including a former NASA astronaut, who will help bring space tourists to new
A Soyuz space capsule carrying a three-man crew returning from a five-month mission to the International Space Station landed safely Tuesday on the steppes of Kazakhstan.
British billionaire Richard Branson said Monday that rocket-powered space tourism flights by his firm Virgin Galactic would have only a minor impact on climate change.
Huge numbers of people on Earth are keen to leave the planet forever and seek a new life homesteading on Mars.
Astronauts on the International Space Station are preparing for a possible emergency spacewalk tomorrow (May 11) to fix a serious leak of ammonia coolant on the orbiting laboratory.
The NASA/ESA Hubble Space Telescope has found signs of Earth-like planets in an unlikely place: the atmospheres of a pair of burnt-out stars in a nearby star cluster.