U.S. Sens. John Cornyn and Ted Cruz want to relocate space shuttle Discovery to Houston. It will be more challenging than when the shuttle program ended.

The Hubble Space Telescope is celebrating its 35th anniversary in space today, but even as a senior citizen in the spacecraft ...

Spacewalking astronauts repaired and upgraded the famed Hubble Telescope during five missions from 1993 to 2009. Here's a ...

The physicist, one of the women who has spent the most time outside a spacecraft, discusses NASA, new technology, and what it ...

NASA’s oldest serving astronaut returned to Earth on Saturday following a 7-month mission on board the International Space Station (ISS). Don Pettit marked his 70th birthday with a special homecoming, ...

A camera affixed to the International Space Station recently spotted some curious symbols amid a barren desert landscape.

NASA’s oldest active astronaut, Don Pettit, has returned safely to Earth after a seven-month mission aboard the ISS, landing ...

Veteran NASA astronaut Don Pettit celebrated his 70th birthday as he returned to Earth from a seven-month stay at the ...

Time-lapse of Space Shuttle Endeavour stacked with an external tank and pair of solid rocket boosters for a exhibit at the ...

The space shuttle Discovery launches from NASA's Kennedy Space Center in Florida, heading through Atlantic skies toward its ...

Dr Mae Jemison corrected CBS' Vladimir Duthiers after he made the slip while asking about the significance of Monday's Blue ...

Don Pettit, NASA's oldest astronaut, is set to return from space on April 19, his 70th birthday. Mr Pettit, currently aboard ...