One of Earth’s earliest mass extinctions wiped out most ocean life during a sudden global ice age. From the ruins, jawed vertebrates survived, diversified, and transformed the course of evolution.

This year marks two decades since I took my twins, Holly and Dani, on their first cruise as bouncy, excitable three-year-olds ...

Mars may have once possessed an ocean at least as large as Earth's Arctic Ocean, a new study suggests. Previous research ...

As beautiful as the mountains around Park City are, sometimes you just don't feel like going outside. Here are some great ...

The 2025-26 high school swimming season is live in Pennsylvania, and PennLive is taking stock of the top times posted ...

While Hermina “Minnie” Wolfe may not have attended this year’s Polar Plunge at the Mosquito Lake beach area, her spirit still ...

Governments reacted cautiously on Sunday to U.S. President Donald Trump's invitation to join his "Board of Peace" initiative ...