The James Webb Space Telescope has detected clouds made of silicates, similar to sand here on Earth, as well as water, ...

It's just 18 light-years away: a super-Earth named GJ 251c with a minimum mass about 3.84 times that of our own planet. The ...

A faint flash spotted by a Hawaiian telescope has astronomers worldwide scratching their heads. They suspect it’s a massive ...

The rocky exoplanet is nearly four times Earth's mass and may offer new insights in the search for habitable worlds.

NASA launched an exoplanet-hunting experiment Oct. 1 despite the government shutdown. After the mission's end on Oct. 2, news ...

"It was just a matter of time before we found them." ...

Earth" less than 20 light-years from our own planet is offering scientists new hope in the hunt for other worlds that could ...

Scientists don't yet know whether GJ 251 c has an atmosphere, but new telescopes could reveal this within a decade.

Using NASA's Transiting Exoplanet Survey Satellite (TESS), astronomers from the University of California, Irvine (UCI) and ...

Webb just spotted a carbon-rich moon factory 625 light-years away, revealing how moons like ours may have first taken shape.

The striking thing about this is that repeating the procedure on the star turned up no evidence of carbon-based chemicals, ...