Scientists uncovered a rare toxic algae, Karenia mikimotoi, behind mass marine deaths in South Australia and elsewhere.

One woman adopted "the saddest cat in the shelter." Nearly a year later, she told Newsweek Lenny has transformed into a confident, playful cuddlebug.

From giant stick bugs to rarely seen sea creatures, these animal videos fascinated us—and led to new scientific discoveries.

Or do you test their ability to recognise themselves in the mirror-like a cleaner wrasse (which suggests self-awareness), wait for a snack like a cuttlefish (which shows self-restraint) or solve a ...

The snakes stayed large and thrived even when cooling temperatures and shrinking habitats killed off other giant reptiles millions of years ago. When you purchase through links on our site, we may ...

Stories of animals performing heroic acts to save humans. Supreme Court Deals Major Blow to Trump Removal Patrick Mahomes' postgame behavior raises red flag over Chiefs First lady Melania Trump ...

When humans build a city, most species in the area tend to disappear. But there are some, called synurbic species, that are living their best lives in our concrete jungles. Hosted by: Stefan Chin ...