The 400-meters-wide space rock, called 2005 YU55, came within 201,700 miles (324,600 km) of Earth at...

Most parts of the minivan-sized satellite were expected to burn up during re-entry into the atmosphe...

A bus-sized defunct German satellite Sunday plunged to Earth after languishing in a dead orbit for m...

A 2.4-tonne defunct satellite is expected to make a fiery death plunge to Earth this week, but exact...

The pioneering research, which analysed the minerals in a four billion-year-old Martian meteorite, p...

National Polar-orbiting Operational Environmental Satellite System Preparatory Project (NPP) is the ...

A team of amateur astronomers has spotted an asteroid coming close enough to Earth to pose an "impac...

Saturn's largest moon, Titan, has shown surprising Earth-like geological features when astronomers c...

The explosions -gamma-ray bursts thought to occur when two stars collide -can release tons of high-e...