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, ...

Alien planets are far away but extreme lasers on Earth are giving scientists a way to investigate what they're like.

One of them is about 4.2 light years away - more than a whopping 24 trillion miles from Earth! Find out more here.

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

For years, the search for alien life has focused on Earth-like planets orbiting distant stars. But this episode explores a ...

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

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 ...

After years of discovering exoplanets at a staggering pace, astronomers are now starting to distinguish the simply interesting from the truly promising. A new study highlights a select group of rocky ...

In a potential landmark discovery, scientists using the James Webb Space Telescope have obtained what they call the strongest signs yet of possible life beyond our solar system, detecting in an alien ...

CTV National News: NASA finds 7 planets NASA scientists hit the cosmic jackpot, discovering a new solar system with planets that could support life. John Vennavally-Rao reports.