"With an orbital period of 570 days, it is a relatively cold gas giant planet," said Guðmundur Stefánsson of the University ...

The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

With an assist from the NEID spectrograph, a team of astronomers have confirmed the existence of exoplanet Gaia-4b—one of the ...

A U.S. scientist searching for a civilization across 7 Earth clones circling the red dwarf star TRAPPIST-1 says its own alien ...

Explore the impact of stellar flares on the potential for alien life. Discover how higher levels of UV radiation can both ...

A suspected planet that appears well-suited to life has had its existence confirmed – and it’s very much in our neighborhood, ...

Gaia-4b is considered a super-Jupiter planet, a relatively cold gas giant, orbiting its star over 570 Earth-days. That star ...

According to a recent YouGov poll, 35% of Americans think Pluto is not a planet. But they are all wrong—kind of. To get to ...

Certain extreme planets are called ultra-short period objects if they're very close to their stars and orbit them in mere hours, like K2-22b.

New James Webb Space Telescope observations of a star cluster called NGC 346 are shedding light on how, when and where ...

The phenomenon of seeing familiar patterns in objects where none exists is called pareidolia. In terms of our evolution, it ...

This technique involves measuring the subtle motion of a star as it is tugged by the gravity of an orbiting planet by looking at how the star moves compared to background or nearby stars.