Mars. From forming black holes to phantom dark energy, discover the cosmic mysteries astronomers uncovered last year.

Learn about the 3I/ATLAS mystery as Harvard's Avi Loeb reveals 'wobbling jets' that could suggest the interstellar visitor is ...

Europa has a vast, saltwater ocean beneath its icy shell, with more than twice the amount of water in all of Earth’s oceans ...

It might seem worlds away from the Earth we know. But can "Star Trek" teach us anything about the economics of our own ...

Nobody was expecting very strong energy dissipation inside Titan,” says Flavio Petricca, a postdoctoral fellow at NASA’s Jet ...

The interstellar object 3I/ATLAS has spotted global attention because of its rotating double jet structure. The majority of ...

Vince Gilligan's Apple TV sci-fi series Pluribus gave audiences plenty of shocking moments, and we rank the biggest ones of ...

As 3I/ATLAS heads past Jupiter, viral theories claim the interstellar object could return towards Earth. What we know.

Even though they were preceded by classics or audience favorites, these 10 sequels didn't come close to approaching the magic ...

Unlike ʻOumuamua's eerie lack of coma or Borisov's more predictable gas cloud, 3I/ATLAS stayed stubbornly inert until late, ...