And as David Attenborough narrates in footage from the BBC TV series Planet Earth filmed in Mauritania, “swarms join up with ...

A 2025 satellite photo shows a giant "Y" in the middle of the Taklamakan Desert, where a verdant river and a lengthy "red-white mountain" meet. The intersecting features are also home to an ...

For decades, scientists have puzzled over why Earth stayed warm and alive while Mars turned cold and dry. Both planets began with similar ingredients—rocky surfaces, carbon, water, and sunlight—but ...

Where there’s a tree, there’s usually a forest. But not always. A biologist describes some of the loneliest trees on planet Earth. When we think about isolation in nature, we usually picture islands ...

Antarctica, the world’s largest desert, challenges the common idea that deserts are always hot. Despite being covered in ice, ...

Ah, Earth. We may not think about our planet on a day-to-day basis, but the world we live in is a pretty interesting place. The third rock from the Sun—and to this day, the only one with known ...