Quite a hairy fish. Credit: Darren Rice. For over two decades, a strange little marine creature puzzled biologist David Harasti. While diving off Papua New Guinea in the early 2000s, he noticed what ...

For most of human evolution, the story of the brain seemed to move in one direction: up. Over millions of years, our ...

In late 2025, astronomers spotted an interstellar comet making a quick trip through the solar system. 3I/ATLAS was discovered ...

Looking at a globe, a country’s coastline may appear smooth and continuous. But zoom in with a satellite view and that neat boundary dissolves as you see a maze of coves, cliffs, and peninsulas.

For a while, that decline seemed distant — a problem for wild meadows, forests, and faraway ecosystems. But the fallout is ...

Scientists spent 15 years piecing together rare footage that captured remoras disappearing inside giant manta rays.