Jellyfish nebula may be the scene of two stars going supernova

A black bear's heart drops from roughly 55 beats per minute to as few as 8 during hibernation, yet it emerges in spring with almost no muscle or bone loss: a biological trick space agencies are studying to protect astronauts on long missions

Our 1st-ever up-close look at the Martian surface photo of the day for July 22, 2026

Something we’ve never seen before is coming out of a solar system in our galaxy, astronomers say

Volcanoes Started Earth’s ‘Great Dying.’ This Unexpected Plant Made It Worse

5 news sources are covering this Science story right now — PULSE is tracking how fast it spreads.

A Stray SpaceX Rocket Will Crash Into the Moon Next Month. Here's What You Should Know

A Google Maps search may have uncovered an ancient meteorite crater