Climate data offers clues to what might have happened to people of the Indus River Valley and how that might relate to our own warming world.

Archaeologists have long known that complex societies can rise, flourish and then disappear so completely that only scattered ...

Global temperature increases over the past thirty years, visualized. Credit: NOAA/NCEI Earth's average global temperatures have been steadily increasing since the Industrial Revolution. According to ...

Have you heard about LaserSETI, a SETI Institute project to search for lasers originating from extraterrestrial intelligence? The idea is that advanced civilizations might be using lasers for a ...

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It’s one of the most longstanding questions in biology: how did life first arise? Research on the topic abounds, but there’s no one accepted answer. And according to one new paper, the chances that ...

Independent researchers led by Michael Donnellan claim to have discovered ancient ruins on Spain's Salmedina Island that ...

The Fermi Paradox ponders an endlessly fascinating question: If so many worlds exist in the universe, why haven’t we detected any sign of extraterrestrial life? A possible reason, called the ...