The Cool Down on MSN

Remarkable underwater footage captures fish changing colors in mere seconds

Healthy reefs support vast marine ecosystems, providing shelter for countless species and helping protect coastlines.
The Conversation

Deep‑sea fish larvae rewrite the rules of how eyes can be built

The deep sea is cold, dark and under immense pressure. Yet life has found a way to prevail there, in the form of some of Earth’s strangest creatures. Since deep-sea critters have adapted to near ...