This video explains why certain animals sploot, a behavior where they stretch out flat to release excess body heat. It explores the biological mechanics that make this position an effective cooling ...

Get an exclusive sneak peek at the most anticipated movies coming in 2026. Discover the upcoming blockbusters and hidden gems ...

Researchers in Sweden recovered RNA from a 130-year-old Tasmanian tiger, allowing them to identify which genes were active in its tissues before extinction.

Scientists have identified a protein that may be key to proper sperm formation. Without it, male mice produced no viable sperm, they found. A team at the RIKEN Center for Biosystems Dynamics Research ...

Here’s what you’ll learn when you read this story: With more than 100,000 people in need of an organ transplant in the U.S. alone, scientists have turned toward perfecting human-animal chimeras as a ...

A major evolutionary theory says most genetic changes don’t really matter, but new evidence suggests that’s not true. Researchers found that helpful mutations happen surprisingly often. The twist is ...

Humans are far more monogamous than our primate cousins, but less so than beavers, a new study suggests. Researchers from the University of Cambridge in England analyzed the proportion of full ...

For the first time, scientists have analyzed metabolism-related molecules from the fossilized bones of animals that lived 1.3 to 3 million years ago, revealing insights about both the animals and ...

A pair of recent studies examined why sophisticated levels of consciousness evolved in some animals, but not in others. In the first study, philosophers outlined the ALARM theory that shows how three ...

Time really does fly. And when you look back at 2025, we’re sure you’ve collected a mix of moments: some joyful, some ...

There may be good reasons to object to using animals as living organ factories, including welfare concerns. But the rationale ...