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

NASA's Perseverance rover found rocks on Mars that on Earth usually form in tropical environments. That Mars once hosted ...

For Star Trek fans who are wanting to watch some cozy feel-good stories during the holidays, here are 10 warm and fuzzy ...

Forget the dusty, rusty landscape you see today. Billions of years ago, Mars may have been soaking wet. Tropical storms might ...

Far beyond the bright planets, in the dim outskirts of the Solar System, astronomers keep stumbling on objects that refuse to ...

NASA's Hubble Space Telescope caught a glimpse of 3I/ATLAS – again. Here's a look at the latest photo of the intriguing ...

Mercury, long recognised as the innermost planet, exhibits a remarkable comet-like tail stretching millions of kilometers.

Over the years, he’s lost numerous times to Marvel heroes. Most of the time, he isn’t beaten by a show of force, but there ...

New 3I/ATLAS images from NASA and the ESA suggest the interstellar comet is active as it approaches Earth in December.

Despite being one of the most promising places to explore for signs of life, "special regions" and "uncertain regions" may be ...

"Star Trek" fans love a good twist, but sometimes the writers conjure up a turn of events so shocking that even die-hard ...

Later in December, the 3I/ATLAS interstellar comet will get as close to Earth as it ever will. Here's what to know.