Humans live in a world abundant in salt, but this everyday seasoning is a luxury for wild herbivores, and it's far from clear ...

Looking out of the Fendouzhe submersible, more than nine kilometres below the ocean surface, Mengran Du knew she was seeing ...

Tyson’s ultimate goal was to image large swathes of the sky, measuring how galaxies’ shapes distorted as their light ...

Internal clocks can tick very differently. While some people are most productive in the morning, others are only active later ...