A set of fossilized footprints discovered in northern Arizona has revealed the silent journey of a prehistoric arachnid that ...

Towering over the forests of prehistoric Asia, Gigantopithecus was the largest ape to ever live. This colossal vegetarian ...

Analysis by researchers at the University of Bern suggests that water and other volatile compounds arrived on Earth from ...

"This is four times more people than saw Neil Armstrong walk on the moon. Think about what a world event this is going to be.

A shy space rock is making its lunar debut. Astronomers believe they’ve discovered another so-called quasi-moon of Earth, though it’s likely been circling undetected in near space for decades. Dubbed ...

A strange shift in Earth's rotation is making our days milliseconds shorter — and scientists are racing to understand why. The days are getting shorter and not just because summer is waning in the ...