Explore astronomy, from the latest trip to the International Space Station to alien planets outside our solar system.
America's most famous astronaut questioned the decision to retire the shuttles and rely on Russia to take astronauts to the International Space Station.
The docking marked a historic first because no previous space station has ever had two female residents at the same time.
The discovery is a candidate for imaging with a high-resolution camera, which would allow the students to look inside the cave.
European CoRoT satellite reveals 6 new exoplanets that may change how we understand the evolution of other solar systems.
Years of planning combined with a network of telescopes allowed scientists to grab the first pictures of the Kuiper Belt Object.
Hubble scanned Jupiter but saw no dark smudges, which means the object didn't descend beneath the clouds.
Iridium uses satellites to provide voice and data services for commercial and government clients.
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.
Recent moon missions have shown frozen water in shadowed craters on the moon's surface and ice under the gray dust.
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.
Activist and author blogs about politics, energy and Earth's resources.
Science journalist blogs about humans and other wildlife.