Science, Space | featured news

The atmosphere of a relatively nearby extrasolar planet - just three times bigger than Earth - has been measured in a pioneering experiment.

Scientists discovered two bubbles of energy erupting from the center of the Milky Way galaxy.

European scientists say they've figured out the recipe for water in space: Just add starlight.

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.

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.

An international team of researchers on Thursday launched a grueling simulation of a flight to Mars that will keep them locked in a cascade of ...

Cells grown in microgravity generate problematic proteins (absent in normal stem cells) that play a role in bone deterioration.

Scientists have found lots of life-essential water – frozen as ice – in an unexpected place in our solar system: an asteroid between Mars and Jupiter.