News

A recentscientific study supported by NASAand conducted by a team of researchers from Tōhō University in Japan has revealed a future scenario where most life on Earth will no longer be sustainable.
Evidence for this much more cynical theory about life on Earth includes, for one, the numerous mass extinctions that have occurred throughout Earth’s 4.5 billion year history, some of which ...
We can’t yet tell how life got its start on Earth. That’s one great reason to keep looking for life elsewhere. Skip to main content. Scientific American. Opinion. September 16, 2024.
Life on Earth won’t suddenly end—it will fizzle out with a slow, irreversible decline. But despite the long time span, researchers are urging the importance of preparation and adaptation for ...
Thirty years ago, astronomer Carl Sagan convinced NASA to turn a passing space probe’s instruments on Earth to look for life — with results that still reverberate today.
How did complex life survive when Earth was frozen over? Scientists say tiny meltwater ponds on ancient ice may have been the ...
How did life on Earth begin? The chemical puzzle just became clearer. February 29, 2024. 6 min.
Three of Saturn's moons, Tethys, Enceladus and Mimas, are captured in this photo from NASA's Cassini spacecraft. Enceladus is one of the best candidates for extraterrestrial life in our solar system.
Most life on Earth still lived in the oceans, but plants were beginning to emerge on land. Then, near the end of the Ordovician, a sweeping climate shift left the supercontinent covered with glaciers.