Rogue planets — worlds that drift through space alone without a star — largely remain a mystery to scientists. Now, ...

The interstellar comet 3I/ATLAS has swung back into view after passing behind the Sun, and its return is proving even ...

Astronomers have finally weighed a wandering “rogue” planet, uncovering a Saturn-mass world flung into the galaxy after a dramatic planetary breakup.

But the lion’s mane jelly isn’t just a certified Long Boi; according to Guinness World Records, it’s also the heaviest ...