New scientific findings revive debate over possible alien life on the Moon, examining unexplained data, past missions, and ...

On Earth, deep-sea vents may have given rise to the planet’s first life. But nothing of the sort seems to be happening at the ...

Scientists studying Saturn’s mysterious moon Enceladus say it may be one of the most promising places in our solar system to ...

What if the Moon was more than just a lifeless rock? Under that bright light, it could be hiding an alien civilization. When ...

New research casts doubt on the prospects for a habitable, active environment beneath the frozen surface of Jupiter’s moon ...

"We're not saying, and we can't say, that there's no life in Europa. What we're saying is that it's a harder proposition, ...

A former senior analyst for The Bank of England warned the bank to prepare for alien contact, citing the United States' ...

"This agreement enables closer collaboration between NASA and the Department of Energy to deliver the capabilities necessary ...

While there’s no concrete consensus on a list of prerequisites for life to evolve on other planets, there are at least a ...

NASA's plans for Mars sample return are effectively cancelled as part of a bill approved by the U.S. Congress, ending efforts ...

Frozen crystals of hydrogen cyanide, a poisonous substance, may have been essential to life on Saturn’s moon Titan, ...

The afternoon of 7 August 1996 isn’t a time that sticks in many people’s minds. But if things had worked out differently, it might have been etched into our collective memory. At 1.15pm, US President ...