All 'Original Seven' American astronauts now dead

John Glenn's passing on Thursday means that the first seven American astronauts chosen to lead the fledging US space program in 1959 are now dead, ending a groundbreaking chapter in American history.

You can see the Hubble Space Telescope in the sky above

The Hubble Space Telescope (HST) has now been in orbit for 25 years and this achievement has been a wonderful excuse to pore over the telescope's beautiful imagery, to consider its valuable contribution to science, to remember ...

Why space shuttle fleet is retiring, what's next

As the space shuttle program winds down, questions are flying about what's happening and why. The launch countdown began Friday for the second-to-last flight. Some answers about the end of the space shuttle:

NASA green lights April 5 launch of Discovery

The US space agency NASA gave its thumbs up for the April 5 launch of the shuttle Discovery, which will take a seven-member crew, including a Japanese astronaut, to the International Space Station (ISS).

NASA Send Cells Into Space

(PhysOrg.com) -- NASA scientists are sending three fundamental life science experiments onboard space shuttle Discovery in hopes of better understanding exactly how spaceflight affects cell growth and how cells fight off ...

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