Stanford scientists found that dramatic climate changes after the Great Dying enabled a few marine species to spread globally ...

After Earth's worst mass extinction, surviving ocean animals spread worldwide. Stanford's model shows why this happened.

Scientists don't call it the "Great Dying" for nothing. About 252 million years ago, upward of 80% of all marine species ...

or "life oasis," for terrestrial plants during the end-Permian mass extinction, the most severe biological crisis since the Cambrian period. The discovery, led by Prof. Liu Feng, from the Nanjing ...

A new study reveals that a region in China’s Turpan-Hami Basin served as a refugium, or “Life oasis” for terrestrial plants ...

Here's what that means, as well as more about the NFL legal tampering period. Need a break? Play the USA TODAY Daily Crossword Puzzle. NFL FREE AGENCY BEST FITS: Top landing spots for the 25 best ...

The Permian period witnessed several significant climate change events ... These three transitions in carbonate factories may reflect the direct impact of the Late Paleozoic climate changes on the ...

I'm always proud to be associated with this network and I'm happy that I'm going to be here for a lengthy period of time, for years to come. "It took too damn long. I can tell you that much," he ...

Brown discharge before a period could be implantation bleeding, which indicates pregnancy, or it may be due to perimenopause. In some cases, brown discharge may indicate an underlying condition.

As part of premenstrual syndrome (PMS), people who menstruate may experience period fatigue as one of their physical, mental, and emotional symptoms. Period symptoms can range from dizziness or ...