Our planet’s first known mass extinction happened about 440 million years ago. Species diversity on Earth had been increasing ...
A newly found super-Earth could help provide answers as to why there are hardly any planets twice the diameter of Earth.
Scientists don't call it the "Great Dying" for nothing. About 252 million years ago, upward of 80% of all marine species ...
New research suggests the violent explosions of dying stars may have caused two of Earth’s biggest mass extinctions millions ...
After Earth's worst mass extinction, surviving ocean animals spread worldwide. Stanford's model shows why this happened.
Deaths of nearby massive stars may have played a significant role in triggering at least two mass extinction events in ...
Fossils from China’s Turpan-Hami Basin reveal it was a rare land refuge during the end-Permian extinction, with fast ...
Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Violent supernovas ...
Violent supernovas may have caused two of Earth’s largest mass extinctions that have never been completely explained, according to a theory put forward in new research.During the final stages of ...