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

Over a century ago, anthropologist Raymond Dart chipped an ancient skull out of some rock from an ancient quarry — and revealed the face of an ancient human relative.

A satellite photo from July shows intricate snowy stripes painted across the Atacama Desert in Chile. The icy weather temporarily put the Atacama Large Millimeter/submillimeter Array (ALMA) ...

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 ...

NASA's Mars Reconnaissance Orbiter spacecraft has just taken its milestone 100,000th photo of the Red Planet using its ...

The two gold coins were minted almost 2,300 years ago, around the mid-third century B.C. "This makes them part of a very ...

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.

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 ...

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

Lava rubble at the bottom of the sea is acting like a giant "sponge" for carbon dioxide, ancient cores reveal. Ancient lava ...

For the first time, scientists have created detailed, 2D maps of the sun's outermost atmosphere. This feat was accomplished ...