The mass extinction that killed 80% of life on Earth 250 million years ago may not have been quite so disastrous for plants, new fossils hint. Scientists have identified a refuge in China where it ...

Elizabeth Kolbert, staff writer for the New Yorker and author of the book "The Sixth Extinction," which won the Pulitzer Prize, warns that the planet is "on the verge of another mass extinction" in ...

2:18 p.m. May 31, 2023: An earlier version of this story misidentified the plant that was neither growing nor deteriorating. It was Sequoia sempervirens, or coast redwood, not metasequoia, or dawn ...

A new study reveals that Earth's biomes changed dramatically in the wake of mass volcanic eruptions 252 million years ago. Reading time 3 minutes 252 million years ago, volcanic eruptions in ...

SANTA CRUZ — As bad days go, it’s hard to top the one 66 million years ago when a space rock the size of Paris slammed into Earth at 45,000 mph. The heat of impact generated massive fires that ...