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.
Cern engineers have begun updates on the Large Hadron Collider (LHC) located underground beneath the border of France and Switzerland.
Scientists are moving forward with plans to intentionally smash a spacecraft into a huge nearby asteroid in 2022 to see inside the space rock.
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.
Congress got the word from NASA on Tuesday about its options for dealing with the threats posed by asteroids and comets