Astronomers have discovered a giant Saturn-sized planet orbiting TOI-6894, the smallest star ever known to host such a world.

Astronomers have recently detected a rogue planet entering our solar system, marking a rare event that has sparked ...

Half a dozen planets - Mercury, Venus, Jupiter, Saturn, Uranus and Neptune - will put on a dazzling display in the sky on ...

These linkups happen when several planets appear to line up in the night sky at once. Such parades are fairly common, ...

Space weathering expert Michelle Thompson OSIRIS-REx reveals why some gray asteroids reflect light at different wavelengths, like red or blue, more strongly. These results help shed light onto the ...

NASA’s James Webb Space Telescope has detected strong evidence for a giant planet orbiting Alpha Centauri A, the nearest ...

Scientists may have found the first planet ever detected around our closest “solar twin,” a star called Alpha Centauri A, the ...

One of the brightest stars in the night sky seems to be orbited by a planet like Jupiter. The news is sure to cheer fans of ...

Sean Duffy, the acting administrator of NASA for a little more than a month, has vowed to make the United States great in ...

Alpha Centauri A, four light-years from Earth, may host a gas giant. If confirmed, no Earthlike planets orbit in the star’s habitable zone.

Astronomers are proposing a new, more quantitative definition of what makes a planet. The new definition looks more directly at the object's mass — but it would still leave Pluto out of the running.

NPR's science podcast Short Wave shares how taking a nap can deliver a eureka moment, a new picture of a planet right after it was born, and how wildfires can affect water quality – after the ...