Astronomers have spotted the most distant massive star explosion of its kind, a supernova that could help scientists better understand the nature of the universe.
We were too far away to try to stop it. All we could do is watch, helpless, horrified, and secretly delighted, as the event unfolded beyond our reach.
A massive instrument circling the globe aboard the International Space Station has provided a first glimpse of what may be mysterious dark matter
NASA's Mars rover Curiosity just might be the latest in a long line of Mars-exploring robots to discover the building blocks for primitive life on the Red Planet.
Rocket launches aren't just amazing sights for people on Earth. They wow astronauts in space, too.
Cern engineers have begun updates on the Large Hadron Collider (LHC) located underground beneath the border of France and Switzerland.
Never let it be said again that Michael Bay isn't a visionary; NASA's future looks a little bit more like "Armageddon" every day.
A newly discovered green meteorite, dubbed NWA 7325, may have arrived from the planet closest to the sun, according to scientists.
Over the years, the spacefaring nations of Earth have sent dozens of probes and rovers to explore Mars.
Scientists are moving forward with plans to intentionally smash a spacecraft into a huge nearby asteroid in 2022 to see inside the space rock.
Has Voyager 1 left our solar system?
A new examination of what is essentially the universe's birth certificate allows astronomers to tweak the age, girth and speed of the cosmos
More than 35 years after it launched on a mission to explore the cosmos, NASA's unmanned Voyager spacecraft appears to have left the solar system.
The U.S. Air Force launched the second satellite in its next-generation missile warning constellation Tuesday from Cape Canaveral Air Force Station, Fla.
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