The system is believed to be traveling at least 1.2 million miles per hour (1.93 million kilometers per hour), according to a ...

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

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

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

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

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

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

Our modern era of space observation and exploration deepens our connection with the universe—and with each other. When NASA ...

Data from the Gaia spacecraft shows that even unassuming stars can host monumental companions like massive planets.

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