Space junk has NASA keeping a close eye on the International Space Station. New residents arrived Thursday.
Human spaceflight: The House Science and Technology Committee has given NASA Administrator Charles Bolden until June 25 to deliver all records pertaining to the agency's 2011 budget proposal, which abandoned the Constellation program, whose goal was to send astronauts back to the Moon and possibly to Mars.
Summer solstice begins Monday. It marks the sun’s peak and the longest day of the year. But why doesn't it typically mark summer's peak heat?
World Cup soccer balls will travel faster and straighter through Johannesburg's thin air, a NASA scientists has warned.
Amelia Earhat's watch, which the famed aviator wore on two trans-Atlantic flights was brought aboard the International Space Station 82 years to the day after her first flight.
Alien planet hunt: Scanning for habitable worlds outside our solar system, NASA's Kepler mission has already spotted hundreds of candidates.
Asteroid: Earth's largest digital camera is a 1,400-megapixel marvel peering through a telescope in Hawaii. It is on the lookout for potentially dangerous space rocks.
The thin line of Earth's atmosphere and the setting sun are featured in this image photographed by the crew of the International Space Station in November 2009.
A recent US Air Force scramjet test has hinted at a future where Hypersonic weapons and Spaceships streak through the sky at many times the speed of sound around the world.
A Russian Soyuz spacecraft linked up with the International Space Station Thursday with two American astronauts and a Russian cosmonaut aboard. The arrival boosted the space station's crew back up to full strength, with six people now living at the orbiting lab.