The origin of organic matter found in meteorites that formed during the birth of the Solar System 4.5 billion years ago may provide key clues to understanding the birth of life here on Earth.
Science fiction writers have long featured terraforming, the process of creating an Earth-like or habitable environment on another planet, in their stories. Scientists themselves have proposed terraforming to enable the long-term ...
The longest lunar eclipse of the 21st century is coming up, and you don't want to miss it.
A massive underground lake has been detected for the first time on Mars, raising hopes that more water—and maybe even life—exists there, international astronomers said Wednesday.
New comprehensive mapping of the radiation pummeling Jupiter's icy moon Europa reveals where scientists should look—and how deep they'll have to go—when searching for signs of habitability and biosignatures.
While the Moon is uninhabitable today, there could have been life on its surface in the distant past.
The discovery of a dark ribbon of weak hydrogen ion emissions that encircles Jupiter has overturned previous thinking about the giant planet's magnetic equator.
Twelve new moons orbiting Jupiter have been found—11 "normal" outer moons, and one that they're calling an "oddball." This brings Jupiter's total number of known moons to a whopping 79—the most of any planet in our Solar ...
Tech magnate Elon Musk's SpaceX vowed Monday to send its first astronauts into orbit on schedule next year—part of a drive to restore America's dominance of the space race.
Historic space weather may help us understand what's coming next, according to new research by the University of Warwick.