Explore astronomy, from the latest trip to the International Space Station to alien planets outside our solar system.
Scientists propose new theory that could reshape our understanding of the universe.
Scientists think a little-known compound called pyrophosphite could have allowed first life on Earth to form.
Calvin Dale Smith of Houston has been charged with stealing Sally Ride’s flight suit worn on her historic 1983 mission.
A long time ago, in a galaxy far, far away...
Scientists hope the Hayabusa has collected the first fragments from a moving asteroid, material which could reveal vital clues about the universe.
The Expoxi spacecraft, originally built for another mission, will fly by the Earth on its way to the comet Hartley 2.
South Korea was trying to join an exclusive club of nine nations that have put a satellite into orbit using a domestically assembled rocket.
Upload your name and photo and be part of a historic rocket ride.
For a decade, man had used the funny-looking rock' in his garden to deter his dog from digging.
The rocket delivered the Dragon capsule, a mockup of the company's spacecraft aimed to facilitate human space travel, into orbit.
A retired dentist in West Virginia found the rock fragment among his late brother's possessions a decade ago.
Anthony Wesley, a computer programmer, alerted the cosmic collision to professional and amateur sky-gazers.
New research: Black holes that spin in the opposite direction emit stronger jets of radiation.
A computer algorithm modeled after the human brain will see billions of galaxies as we do and categorize them.
A crew of six will live in a mock spaceship for 520 days to study the effects of isolation to help a real space crew better cope with stress and fatigue.
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Science journalist blogs about humans and other wildlife.