Scientists have reconstructed the head of an ancient human relative from 1.5 million year-old fossilized bones and teeth. But the face staring back is complicating scientists' understanding of early ...

The manumea, a critically endangered ground pigeon and one of the closest living dodo relatives, has been spotted multiple times in a remote Samoan rainforest.

Scientists in Paris discovered two new substances with incredible radioactivity. It earned them the Nobel Prize in Physics but would ultimately kill one of them.

Scientists using the James Webb telescope observed a distant exoplanet with an atmosphere of soot and diamonds, challenging all explanations.

The oldest sediment DNA discovered so far comes from Greenland and is 2 million years old.

A double explosion, in which a dying star split, then recombined, may be a long-hypothesized but never-before-seen "superkilonova." ...

This mash-up of data from the James Webb Space Telescope and the Chandra X-ray Observatory reveals two galaxies mid-collision ...

"Further follow-up at 3 and 6 months showed complete resolution of hypertension and a complete recovery from the stroke with ...

Recent fossil finds could mean that "Lucy" wasn't our direct ancestor, some scientists say. Others strongly disagree.

A 2,000-year-old palace in the Republic of Georgia and a 1,500-year-old church in Iraq suggest Zoroastrians coexisted with people of other religions.

These Anglo-Saxon accessories were recovered from the side of a hill in England and may be from a hoard, a ritual deposit or ...

Earth's seasons look very different at locations not far from each other, 20 years' worth of satellite data reveals. Earth's seasonal cycles can vary dramatically across short distances, even at the ...