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

The circular asteroid, named 2005 YU55, is about 1,300 feet (400 meters) wide and will come closer t...

The NPP satellite, launched by a Delta II rocket, is carrying five instruments to study temperature ...

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...