New James Webb telescope observations of the 'super-puff' planet WASP-107b show that the exoplanet's runaway atmosphere is ...

After decades of searching, astronomers might finally be on the verge of discovering thefirst confirmed exomoon, a natural ...

After decades of searching, astronomers may have finally stumbled upon the first moon known to exist beyond our solar ...

A FIERY hell-world that would instantly roast visitors alive has a vast lava ocean – and may be packed with rare gems. The ...

A depiction of a gas giant planet with rings orbiting a distant star. Astronomers detected hundreds more new worlds beyond the solar system this year and worked to better understand what makes them ...

Astronomers have discovered a distant exoplanet with a tail that stretches over 5.5 million miles long. Astronomers have accidentally found a planet with a debris trail like a comet that stretches up ...

Artist's concept depicts new research that has expanded our understanding of exoplanet WASP-69 b's "tail." NASA/JPL-Caltech/R. Hurt (IPAC) Astronomers using the W. M. Keck Observatory in Hawaii have ...

A pair of stars with three planets in orbit around one star or the other is the first system of its kind that has been confirmed. Pairs of stars, known as binaries, appear to be more common in the ...

"A planet orbiting not just a binary, but a binary brown dwarf, as well as being on a polar orbit, is rather incredible and exciting." Scientists have perhaps discovered the weirdest planetary system ...

Astronomers are just beginning to scratch the surface of the complex, and sometimes violent, relationships between planets ...