This artistic illustration shows the TRAPPIST-1 red dwarf star system, home to seven Earth-sized exoplanets, several of which lie within the star’s habitable zone. In the foreground is TRAPPIST-1 b, ...

A new catalog of potentially habitable exoplanets provides the framework for future observations in the search for alien life ...

NASA officials have previously spoken of the possibility of extraterrestrial life amid scientific uncertainty while ...

Humans have wondered for centuries whether we are alone in the universe — and a new study suggests that if alien ...

Like the lead character of “Project Hail Mary,” some scientists are proposing ways that life might exist beyond a star’s “habitable zone,” often considered the gold standard of potential livability An ...

'Do all aliens really need sunlight?' ...

The ExoLife Finder (ELF) looks like no telescope ever built. A spectacular crown of 15 five-meter mirrors perches atop a ...

NASA has taken a bold step in the search for alien life beyond Earth. The space agency announced the selection of seven advanced technology partners for its next major mission, the Habitable Worlds ...

Scientists have uncovered a surprising way to study the harsh space weather around young M dwarf stars. Mysterious dips in starlight turned out to be massive rings of plasma swirling in the stars’ ...

Life on Earth may exist thanks to an incredible stroke of luck — a chemical sweet spot that most planets miss during their formation but ours managed to hit. The key to solving the mystery of the ...

The northern ice ap of Mars seen from space - NASA/JPL-Caltech/MSSS Humanity has dreamed about discovering life on alien planets for as long as we have dreamed about visiting other worlds. Since Mars ...

Add Yahoo as a preferred source to see more of our stories on Google. The Milky Way galaxy has more than 400 billion stars in it. Over the last few decades, astronomers have discovered that almost ...