Ancient river-like volcanoes formed Mercury’s plains

The planet closest to the Sun had plenty of its own heat to release billions of…

Doomed satellite landed in Pacific, NASA says

Debris from a defunct six-tonne NASA science satellite that crashed to Earth on Saturday fell harmlessly…

Satellite hoax had ‘debris’ falling over Alberta

In a scene reminiscent of Orson Welles' famous War of the Worlds broadcast, an Internet hoax…

Countdown to impact: Space junk hurtles towards Earth

The biggest piece of U.S. space junk to fall in 30 years could hit Earth late…

Sea Launch looks skyward again with planned rocket launch

Hundreds of technicians are busy preparing to launch a 20-story rocket from an ocean platform near…

Neil Armstrong calls U.S. space program ’embarrassing’

Neil Armstrong, the first man to walk on the moon, told lawmakers Thursday that the end…

NASA rules out North America for satellite crash

A six-ton NASA satellite that is on course to crash back to Earth on Friday is…

Defunct NASA satellite to crash to Earth this week

A defunct NASA science satellite is expected to fall back to Earth on Friday, showering debris…

NASA unveils new plan to buy rides for astronauts

NASA plans to spend $1.6 billion over the next two years bolstering industry efforts to develop…

China to launch space station’s first module

China said Tuesday it will launch its Tiangong-1 space module later this month, marking its first…