A new study from the multidisciplinary brain research center at Bar-Ilan University found that jellyfish and sea anemones were the first to present one of sleep’s core functions.

Blue blood may look alien, but it’s one of evolution’s most elegant solutions to life in extreme environments. Here’s how ...

Sleep may have evolved to help reduce DNA damage in nerve cells long before they became centralized in the brain, a study ...

A huge black bear has finally been evicted from a crawl space under a Los Angeles area house where it had been living since ...

Researchers at the California Academy of Sciences kept busy throughout 2025. Along with collaborators from across the globe, ...

In Earth's fossil record, soft-bodied organisms like jellyfish rarely stand the test of time. What's more, it's hard for any ...

The world’s oceans are becoming dangerously acidic. A controversial proposal would raise the pH — by mixing chemicals into ...

Killing the protected animals may be the only way to stop them from eating too many of the Pacific Northwest’s endangered ...

Far below the ocean’s surface, where sunlight disappears and pressure reaches crushing levels, some of the planet’s strangest ...