NASA

An invisible planet that has not yet been glimpsed has been discovered by scientists using NASA's crafty Kepler spacecraft.

It's never been seen before, after all it is invisible, but scientists have discovered a new planet with the help of NASA's Kepler spacecraft.

NASA's moon bibles are now for sale at an auction house. But what exactly is a moon bible?

The sun has let off some heat this week in the form of unusually strong class solar flares that have blazed from its surface letting of a giant ball of solar material.

Footage recorded by NASA Astronaut Frank Culbertson offers an unprecedented glimpse of the 9/11 attacks as seen from the International Space Station, some

NASA Astronaut Frank Culbertson has a fairly uncommon answer to where he was when the attacks of September 11, 2001 happened -- he was aboard the International Space Station, and he has the astonishing 9/11 footage to prove it.

A defunct 7-ton research satellite is falling earth bound and due to re-enter the atmosphere with a potential to rain debris onto the earth's surface, NASA reports.

When a Russian rocket failed on its way to orbit last month, it exposed a vulnerability in the International Space Station program that a former NASA astronaut thinks China could help address.

The Solar Dynamics Observatory has revealed information on late-phase solar flares.

NASA's GRAIL launch delayed due to high winds.

Warning sky gazers: Equip yourselves with umbrellas and other protective gears later this month and in early October as a massive, 7-ton defunct NASA satellite is set to re-enter Earth's atmosphere and will possibly rain down debris on our planet as it disintegrates during re-entry.

U.S. space agency NASA is in desperate need of more astronauts to make certain that the International Space Station (ISS) is well-manned and should ensure their safety, according to the recommendation of a panel of experts at National Research Council (NRC).

On Thursday, NASA will launch two unmanned spacecraft to the moon, nearly forty-two years after US astronaut Buzz Aldrin planted an American flag on the lunar surface.

The countdown to twin GRAIL spacecraft mission to Moon is moving ahead toward a lift-off at 8:37 am EDT, NASA said in a statement. Forecasters still are calling for a 40 percent chance of good weather at the scheduled launch time.

A seven-ton satellite is expected to re-enter earth’s atmosphere late this month or in early October.

NASA needs to keep more astronauts on staff than planned as per a new report.

The Upper Atmosphere Research Satellite (UARS) was deployed by the Space Shuttle Discovery (STS-48) on Sept. 15, 1991 to study Earth’s atmosphere. Now a junk, the satellite is falling to Earth.

NASA currently has only 61 astronauts. To meet the demands of the International Space Station (ISS) crew requirement, NASA has to take significant steps to ensure that it maintains a highly trained corps for the upcoming programs.

NASA's Lunar Reconnaissance Orbiter (LRO) captured never-before-seen images from space of the Apollo 12, 14 and 17 landing sites which show the twists and turns of the paths made when the astronauts explored the lunar surface.

NASA's Juno spacecraft, while traveling to Jupiter, managed to capture a rare image of the Earth and Earth's Moon.

NASA's defunct Upper Atmosphere Research Satellite is expected to plunge on earth in an uncontrolled fall in late September or early October, officials said Wednesday. Though the 6.5 ton satellite is expected to burn up as it enters the earth's atmosphere, NASA doesn't rule out the possibility of solid pieces touching the ground.