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 ...

New images of Uranus show the planet in blue, the upper atmosphere in red, auroras in lighter red spots and rings in white. ESA / Webb, NASA, CSA, STScI, P. Tiranti, H. Melin, M. Zamani (ESA / Webb) ...

There's a whole slew of objects that astronomers aren't sure whether to classify as "failed stars" or "overgrown planets." ...

Astronomers have discovered a planetary system that appears to flip one of astronomy's most reliable rules on its head; it orbits a small, faint red star known as LHS 1903. LHS 1903 is a cool M-dwarf ...

Far beyond the bright planets, in the dim outskirts of the Solar System, astronomers keep stumbling on objects that refuse to follow the rules. Around Neptune in particular, a handful of newly charted ...

Surprised astronomers said Thursday they have discovered a star with planets in a bizarre order that defies scientific expectations -- and suggests these faraway worlds formed in a manner never ...

If you think auroras on Earth are a strange and mesmerizing sight, that's nothing like what occurs on the perplexing world of Uranus.

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Puzzling finds range from rocks that look like turtles or sharks to a lightsaber. But while the Star Wars weapon is actually a titanium tube dropped by the rover and containing a rock sample, other ...

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. LHS 1903 is a small red ...