Space News

A new article in Astrobiology, "The Coevolution of Life and Environment on Mars: An Ecosystem Perspective on the Robotic Exploration of Biosignatures," is available online today and in the January, 2018 issue.

Sorry, Santa; these space travelers won't be home for Christmas.

An innovative interpretation of X-ray data from a cluster of galaxies could help scientists fulfill a quest they have been on for decades: determining the nature of dark matter.

According to a new study, the recent merger of two neutron stars (which was detected thanks to the gravitational waves it created) most likely led to the creation of a black hole. The post Kilonova Neutron Star Collision...

December 18, 2017: Today's links to headline stories from around the world on the threats, opportunities, and dangers facing our fragile planet --along with an occasional dash of humor, popular culture, and an intriguing...

The Senate Banking Committee rejected the White House's controversial nominee to chair the board of the Export-Import Bank while approving four other board nominees, a step towards allowing it to start financing aerospac...

A giant chunk of central Idaho with a dazzling night sky has become the nation's first International Dark Sky Reserve.

NASA's Chandra X-ray Observatory:

Clinton campaign chief John Podesta tweets "Lift the Veil" after Pentagon UFO exposé by the New York Times. Podesta tweeted a link to reports about the explosive news adding: "#TheTruthIsOutThere." Hillary Clinton's for...

"In this exciting, new era of gravitational wave astronomy, we don't know what we'll find, or where it will lead us," says Joseph Fedrow of Kyoto University's Yukawa Institute for Theoretical Physics. "But our work here ...

Santa's winter workshop might be in space, as University of Warwick researchers are exploring whether snowy moons over a billion kilometres away from Earth are potentially habitable.

See photos of the astronauts, cosmonauts and taikonauts living and working aboard the International Space Station during Expedition 54.

The solar system's first-observed interstellar emissary hints at undiscovered populations of exoplanets and violent origins.

In 1992, researchers discovered evidence of what was then potentially the earliest life on Earth: 3.5-billion-year-old microscopic squiggles encased in Australian rocks. Since then, however, scientists have debated wheth...

The Defense Department had a secret program to investigate reports of unidentified flying objects - and former military participants in the program say they had a stunning encounter with one back in 2004.

The first Indian-born woman in space died when the space shuttle Columbia broke up on re-entry.

Virgin Galactic will carry out a dedicated research flight of its SpaceShipTwo suborbital spaceplane for the Italian space agency ASI, with an Italian payload specialist on board, under an agreement announced Dec. 18.

The fundamental job of astrophysicists and astronauts is to explore the universe, and find what is out there. This year, the universe explored us.

In December 2016, what appears on digital telescopic images to be a star among stars became around 250 times brighter than usual.

When NASA's next X-plane takes to the skies, it will produce some pretty cool images.

For many years some astronomers, working under the assumption that the Star of Bethlehem was in fact an actual celestial object, have suggested possible astrophysical explanations.

Far from earth, two black holes orbit around each other, propagating waves that bend time and space. The existence of such waves--gravitational waves--was first predicted by Albert Einstein over a century ago on the basi...