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Space6943 articles archived since 1845

Planet Formation out of Black Hole Belches

New studies suggest lonely planets flying through intergalactic space were formed by star-destroying supermassive black holes.

February 17, 2017 — Lydia Chain, Lee Billings and Lee Billings

Churchill's Extraterrestrials

Astrophysicist and author Mario Livio writes in the journal Nature and talks to Scientific American about the recently rediscovered essay by Winston Churchill that analyzed with impressive scientific accuracy the conditions under which extraterrestrial life might exist.    

February 15, 2017 — Mario Livio and Steve Mirsky

Winston Churchill, Astrobiologist

In 1939, he wrote presciently about the possibilities of extraterrestrial life in a way modern scientists can admire

February 15, 2017 — Mario Livio and Nature

What Warmed Ancient Mars?

New data from NASA's Curiosity rover suggest a surprising dearth of greenhouse gases in the Red Planet's distant past

February 7, 2017 — Charles Q. Choi and