Strongest El Niño in a century? What this rare phenomenon could bring. Melissa Gilbert speaks out on husband’s arrest: ABC News exclusive Colorado QB had significant amount of alcohol in his system ...

The asteroid impact that wiped out the dinosaurs didn’t keep life down for long. New research shows that microscopic plankton began evolving into new species within just a few thousand years—and ...

Colossal Biosciences’ CEO says its work follows a ‘moral obligation’ while critics say it’s ‘tech bro’ hype that could undermine conservation Can and should we resurrect animal species that have been ...