Several planets stand still in the sky, Titan’s shadow transits Saturn, and Venus gives Taurus a second eye in the sky this ...

We’ve all heard of the world’s most massive sharks, both past and present. The megalodon, the great white shark, and the ...

Over the past decade, researchers have been puzzling through Pluto’s mysteries. Meanwhile, the New Horizons probe heads for interstellar space.

Methuselah, located 12,400 light years away in the constellation Scorpio, is one of the most ancient exoplanets ever ...

From cosmic rays to CT scans, radiation surrounds us but not all exposure is dangerous. Here’s how to separate fact from fear ...

Superman's lack of weakness is actually his biggest weakness. Indeed, that god-like skillset makes him so across-the-boa ...

Proxima Centauri b is the closest known exoplanet to our solar system that is thought to be within the habitable zone of its star.