A bold geochemical model reveals that TOI‑270 d, a sub‑Neptune 73 light‑years away, is likely a giant rocky world cloaked in a blistering, dense atmosphere rather than a watery Hycean planet. Webb ...

Scientists know of over a dozen planets that orbit twin stars like the fictional “Star Wars” desert planet Tatooine.

Pollard A quartet of Earth-like worlds ... in the movement of Barnard's Star in order to "tease apart the number and masses of the planets that must be circling the star to have this effect ...

K2-360 is a newly found planetary system with a super-dense planet, likely the core of a former larger world, shaped by ...

So in some sense, alien worlds were not first discovered in the 1990s or even the 1980s. It took nearly a century to fully understand it, but the first evidence for exoplanets was found in 1917.

The Helix nebula may point to the ultimate fate of our sun — and Earth. This colorful image ... have partially or completely torn the planet apart. "The mysterious signal we've been seeing ...

A new machine learning model has predicted that there are 44 Earth-like planets in other star systems in the Milky Way galaxy, with researchers from Switzerland claiming that the algorithm at the ...