Up to 200 worlds investigated by NASA's exoplanet-hunting TESS satellite could be bigger than predicted, a finding that could ...

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

TOI-4616 b is an Earth-sized exoplanet orbiting an M-dwarf that offers a strong benchmark for studying atmospheric loss and ...

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 ...

If we're to find extraterrestrial life in the universe, astronomers have pinpointed the best places to look for it. They have ...

These findings suggest that the absence of past detections does not mean discovery is imminent. If extraterrestrial ...

Scientists have discovered a 'super–Earth' planet less than 20 light–years away, and it could have the right conditions for alien life. The exoplanet, dubbed GJ 251 c, is at least four times larger ...

Astronomers have narrowed down the cosmic search for life, identifying fewer than 50 rocky planets among thousands of known ...

What would alien life from another planet be like? But we rarely ask the opposite: What would they think of us?

Using NASA's Transiting Exoplanet Survey Satellite (TESS), an international team of astronomers has discovered an extrasolar planet orbiting TOI-4616—a nearby M-dwarf star. The newfound alien world, ...

Life may not get blasted off any of the known "super-Earth" worlds as readily as it can from our planet, scientists find. The discovery suggests that any intelligent aliens that develop on such ...

Add Yahoo as a preferred source to see more of our stories on Google. An artist’s impression of the exoplanet named L 98-59 d, shown with a cutaway to reveal its interior, orbiting a red dwarf star, ...