Scientists have warned that human activities are causing a phenomenon known as "browning" in fresh water, which is ...

Sacoglossan sea slugs, discreet inhabitants of coral reefs, hide an astonishing secret. Unlike other animals, they can "steal ...

Light pollution, or artificial light at night (ALAN), is a widespread phenomenon in areas with dense human populations. Normally, animals use natural external cues, like sunlight and temperature, to ...

The odd phenomenon of moth-eating bears—and the dangers they face. In the Northern Rockies, adventurous grizzlies climb mountains to feast on as many as 40,000 moths a day, a mysterious ...

So why do animals keep evolving into crab-like forms? Scientists don't know for sure, but they have lots of ideas. Carcinization is an example of a phenomenon called convergent evolution, ...

How rare is it? Cases of polycephaly tend to make the news or go viral because of just how rare a phenomenon it is – to the point where, back in 2006, an American aquarium attempted to auction ...

Don’t be afraid or annoyed of the coming periodical cicadas. It’s a once-in-a-17-year chance to enjoy a wondrous natural phenomenon. Adult Brood X cicadas, which come out only once every 17 ...

But those stray cats don't just come out of thin air. Animal welfare experts may love the 'system,' but approach it with skepticism, Fried said, because not every cat or kitten that's outside ...