The clip was recorded by NASA astronaut Peggy Whitson while she was on a 7-hour spacewalk with fellow astronaut Shane Kimbrough.

See footage Orion Spacecraft, moon and Earth shortly before its "outbound powered flyby burn". Orion was less than 2000 miles ...

Astronomer Gianluca Masi and his Virtual Telescope Project will host a special livestream on Oct. 24 beginning at 1:30 p.m.

A potentially hazardous asteroid spanning the length of the Washington Monument will make a safe, close approach to Earth on Sept. 18 and you can watch the flyby live online courtesy of the Virtual ...

Live Earth was a 24-hour concert at nine venues on seven continents featuring a galaxy of world-class pop stars along with local acts aimed at reaching across the planet--plus Al Gore on the ...

Quasi-moons are not real moons and don't actually orbit the Earth, although they sometimes appear to do so for short periods of time, Phil Nicholson, professor of astronomy at Cornell University, told ...