Astronomy, Space | featured news

An asteroid bigger than an aircraft carrier will dart between the Earth and moon on Tuesday - the closest encounter by such a huge rock in 35 years.

China is set to launch a unmanned spacecraft on Tuesday to dock with a capsule orbiting the Earth, as part of its work to build a space station.

Anticipation looms for space tourists as Virgin Galactic gears up for commercial flights... The aim, the daring businessman says, is to one day make traveling to space safe and affordable for the masses, not just those who can afford a $200,000 ticket.

New evidence supports the theory that comets delivered a significant portion of Earth' s oceans, which scientists believe formed about 8 million years after the planet itself.

Scientists discover that Venus has an ozone layer high its its atmosphere, overturning the long-held view that it did not.

A small asteroid zipped by Earth well inside the orbit of the moon on Friday, marking the second known space-rock encounter for our planet over the past week, NASA said.

After days of seeming uncertainty, official satellite-watchers announced Tuesday that a dead NASA satellite broke up over the South Pacific, about as far away from large land masses as you can get.

A six-ton NASA science satellite crashed to Earth on Saturday, leaving a mystery about where a ton of space debris may have landed.

NASA's dead six-ton satellite fell to Earth early Saturday morning, starting its fiery death plunge somewhere over the vast Pacific Ocean....

Friday appears to be re-entry day for NASA’s falling UARS satellite — a school-bus size spacecraft that will shoot its way into Earth’s atmosphere. NASA, the U.S. military and amateur astronomers are now able to say it won't come down over North America.