The DESI experiment shocked cosmologists with a hint that dark energy varies over time. Now, with more data, the conclusions hold up.

KS2 Geography. Biomes. A short video for pupils aged 7 to 11 investigating two of Earth's major biomes - woodlands and ...

KS2 Geography. Biomes. A short video for pupils aged 7 to 11 investigating two of Earth's major biomes - savannahs and ...

Centuries of flawed maps have led to a misconception about Greenland's size, which is nowhere near as big as it looks on the familiar flat world map. It's certainly not a small island: It's about ...

It's certainly not a small island: It's about three times the size of Texas. But on most maps, Greenland looks almost as big as the entire continent of Africa. In fact, it's 14 times smaller than ...