Astronomy, Space | featured news

The moon is shrinking ever so slightly, but there is no cause for alarm, according to a new study that has discovered a clutch of previously unseen faults on the lunar surface from photos taken by a NASA probe.

Astronomers have discovered a new Trojan asteroid in a space graveyard near Neptune

Earth braces for cosmic tsunami Tuesday night as tons of plasma from massive solar flare heads directly toward the planet ...

A rare sun-like star that is both young and relatively close to Earth has been found to be harboring an even weirder object - a failed star locked in a close orbit around its host, according to a new study.

Scientists celebrated Sunday after finding more than 700 suspected new planets -- including up to 140 similar in size to Earth -- in just six weeks of using a powerful new space observatory.

A European space probe headed toward its next target Sunday after sending back detailed images of an asteroid that scientists hope will increase understanding of how the solar system evolved.

Millions of miles from Earth, two astronauts hover weightlessly next to a giant space rock, selecting pebbles for scientific research. The spaceship ...

The moon's interior may harbor 100 times more water than previous estimates, according to a new study that took a fresh look at samples of moon rocks collected by Apollo astronauts nearly 40 years ago.

A vast ocean likely covered one-third of the surface of Mars some 3.5 billion years ago, according to a new study. While the notion of a large, ancient ocean on Mars has been repeatedly proposed and challenged over the past two decades, the research provides further support for the idea of a sustained sea on the Red Planet more than 3 billion years ...

A team of scientists flew to the Australian Outback on Monday and recovered a Japanese space capsule that they hope contains asteroid samples providing clues into the evolution of the solar system.