The 8-inch, bright pink slug has been isolated in a "sky island" for millions of years.

This is the heartwarming moment a caring flamingo hugged a zoo visitor in Thailand. The affectionate pink-feathered bird approached the holidaymaker for a brief cuddle at Khao Kheow Open Zoo in ...

Hubble’s high-resolution imagery allowed researchers to hone in on more of the Bullseye galaxy’s rings — and helped confirm ...

Mars will appear to make an ultraclose approach to the moon on Sunday, after Jupiter had a turn earlier this week. Here's how ...