With sapphire waterfalls, lava rain and orbits around dead stars, these distant worlds push the limits of what’s possible.

A distant world with carbon in its atmosphere and extraordinarily high temperatures is unlike any other planet we’ve seen, ...

A new discovery made using the James Webb Space Telescope (JWST) may be the weirdest exoplanet yet. The planet, designated ...

Outer space never fails to remind us just how much we don't know. Astronomers have uncovered a lemon-shaped planet that ...

The discovery of an extraordinary multi-planet system has demonstrated that so-called "hot Jupiter" planets may not be lonely giants after all. The findings could force scientists to revise their ...

The discovery of a strange wobbling planet has left astronomers confused but could reveal the secrets of planet formation. The new exoplanet, named TOI-1408 c, is situated about 455 light-years from ...

A strange 200 million-year-old object with the mass of a planet has been discovered 20 light-years from Earth, outside our solar system. The "rogue," as it's referred to by researchers, is producing ...

Venus is often called Earth's evil twin due to its size, mass, material composition, and density. It even feels like Venus should've become a second Earth. However, it ended up being one of the ...

“This system is unique because we are able to view the planet illuminated by its host star, but not see the host star at all, ...

SAN JOSE, Calif. -- In what astronomers called an exciting step toward detecting Earth-like planets, a spacecraft operated by NASA's Ames Research Center has found five strange new planets, beginning ...

I find the outer reaches of our solar system fascinating. It’s a place that we know very little about considering how relatively close it is – even its size is up for debate. It’s littered with icy ...