"What surprised us, at the end, was how effective this type of impact could be in explaining Mercury's unusual structure ...

From boiling-hot gas giants to worlds with bizarre weather patterns, here are five of the weirdest exoplanets scientists have discovered so far. 1. WASP-76 b: The Planet Where It Rains Molten Iron ...

Scientists are using an array of instruments to detect other planets, some of which may harbor life—and others that most ...

Astronomers have confirmed the existence of four rocky planets orbiting Barnard’s Star, our nearest solitary stellar neighbor ...

Mars just threw us another curveball. NASA’s Perseverance rover recently uncovered a surprising rock formation. On the lower ...

So in some sense, alien worlds were not first discovered in the 1990s or even the 1980s. It took nearly a century to fully ...

The two exoplanets, or planets outside of our solar system, orbit a star called TOI-1453, which is slightly cooler and ...

Two NASA rovers on Mars recently made two independent discoveries further indicating that ancient life may have once existed ...

But Curiosity wasn't the only one with a geological mystery. At the same time, roughly 2,300 miles away on the other side of ...