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.

YR4 might force NASA to plan the first-ever space mission to push an asteroid away from Earth. Most likely, though, it's a ...

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

The car, launched in 2018 on a SpaceX rocket’s upper stage, is one of many human-made objects in deep space that could ...

NASA and other space agencies are tracking 2024 YR4, a near-Earth asteroid with a small chance of impacting our planet in ...

Astronomers have officially confirmed the existence of HD 20794 d, a super-Earth located just 20 light-years away, with ...

Our home planet is bombarded with particles from outer space all the time. And while we are mostly familiar with the rocky ...

An exoplanet is a planet outside our solar system that usually orbits a star in our galaxy. More than 7,000 have been found ...

The world’s richest man, Elon Musk, is overseeing a new Department of Government Efficiency. Billionaires or ...