Meteorites may be the only practical way to study Mercury's surface directly. Most meteorites that have reached Earth come ...

This unprecedented view of the Bullet Cluster provided by the James Webb Space Telescope and the Chandra X-ray Observatory ...

One reason is for camouflage; a giraffe's spots help it blend into its surroundings. The irregular markings break up the ...

Male Japanese quails produce a strange seminal foam that appears to enhance the chances of successfully fertilizing an egg.