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Fifty Years of Human Spaceflight
Human spaceflight has come a long way over the last 50 years since the launch of cosmonaut Yuri Gagarin on April 12, 1961 during the Vostok 1 mission. SPACE.com looks at just how far spaceflight has come and what's on the horizon.
See photos of Virgin Galactic's private spacecr...
Orbital Sciences cleared the Antares rocket to ...
Lori Garver will host an "Ask Me Anything" sess...
The new exhibits gives visitors a sense of what it's like to live aboard the orbital outpost.
New findings from a NASA moon probe could lead to safer, more efficient spacecraft.
Experiments done in microgravity are revealing new insights about cell behavior.
Orbital Sciences will launch the first-ever Antares rocket flight from Wallops Island, Va., at 5 p.m. ET on April 17.
What was your favorite space news story of the last week?
The memory of the late Sally Ride, first American woman in space, lives on with the U.S. Navy.
It may only cost you $500 million to get to the moon, instead of the originally advertised $750 million.
Stephen Hawking says humanity won't survive another 1,000 years without branching out into space.
All work and no play makes Chris Hadfield of Expedition 34/35 aboard the International Space Station a dull space station commander.
On April 12, 1961, cosmonaut Yuri Gagarin became the first person in space. See photos of the historic flight of Vostok 1.
See photos from the Golden Spike Company, which plans to launch private manned trips to the moon.
Planetary-science cuts in NASA's 2014 budget are shortsighted, scientists say.
The REAL Space Act would help safeguard American leadership in space, its sponsors say.
The mission is in its early stages, but some details are already emerging.
A look at NASA's Asteroid Initiative, which aims to park a space rock near the moon.
