12 years of W.M. Keck Observatory imagery of star system HR 8799 have been time-lapsed. The system hosts four planets that ...

NASA’s Transiting Exoplanet Survey Satellite has identified TOI-4616 b, an Earth-sized planet transiting a cool M4 dwarf star ...

On Jan. 11, 2026, I watched anxiously at the tightly controlled Vandenberg Space Force Base in California as an awe-inspiring SpaceX Falcon 9 rocket carried NASA’s new exoplanet telescope, Pandora, ...

Provided they host thick, hydrogen-dominated atmospheres, moons orbiting free-floating exoplanets could retain much of the ...

The number 45 matters less than what it represents: the shift from open-ended discovery to structured search, and from chance ...

Astronomers have discovered that a giant planet, WASP-189b, echoes the composition of its host star, providing the first ...

Surprised astronomers just discovered a world that blurs the line between planet and stellar remnant, hiding in a system known as a “black widow.” “This was an absolute surprise,” said study co-author ...

6000 exoplanets narrowed to 45 rocky worlds with conditions that may support life, helping telescopes focus on the most ...

The team of astronomers behind the find suggested it could help us better understand planet and moon formation in our solar system and beyond the Milky Way. The team was able to make the first-ever ...

A new study has identified 45 rocky exoplanets in habitable zones that could support liquid water, helping scientists focus ...