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

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

The chances of an asteroid striking Earth within the next decade has doubled in a matter of weeks, according to NASA ...

WASP-121b is like nothing in the solar system, raining liquid metal and being puffy like a marshmallow. The origins of these ...

Six of our cosmic neighbors are expected to line up across the night sky tonight, in what has been dubbed a "planetary parade". Throughout much of January and February, Venus, Mars, Jupiter, Saturn, ...

Using 20 years of data from the Hubble Space Telescope astronomers have discovered that turbulent stars could be corrupting ...

A recent discovery is shaking up our understanding of planetary systems. A multi-planet system, including a hot Jupiter, a super-Earth, and an ice giant, contradicts current theories on planet ...

NASA’s Lucy mission will continue its journey to explore the Jupiter Trojan asteroids, which share Jupiter’s orbit around the ...

The closest of the asteroids to us—estimated to be about the size of a car—is whizzing through space at 27,358 miles per hour.

Mercury joins the night sky to complete a seven-planet alignment just after sunset for the end of February. Saturn leaves our ...

Scientists found an intriguing world in our galaxy.

A large asteroid could be heading toward Earth within the next decade, and there's a small chance it could strike the planet, according to NASA.