Long before whales dominated the oceans, Earth’s seas were home to a fish so massive it continues to challenge our ...

The invasive Asian swamp eel is threatening the Florida Everglades by disrupting the food web. This predatory fish has caused ...

Scientists recently discovered a new species of green anaconda in the Amazon rainforest. A new Nat Geo series shows the ...

These "total monsters of fishes" are extinct today, though new clues about their lives come from CT scans and their closest ...

Far below the ocean’s surface, where sunlight disappears and pressure reaches crushing levels, some of the planet’s strangest ...

The spread of invasive species is considered a serious threat to delicate aquatic ecosystems in natural water bodies, ...

The Amazon sailfin catfish is characterised by a body covered with bony plates and a thick, armoured structure. Native to ...

A tiny fossil fish from Alberta is forcing scientists to rethink a story that has sat quietly in textbooks for decades. It is ...

Prehistoric sea cows, a mouse-sized opossum, a smiling deep-sea fish and live-birthing toads highlight a year of discoveries ...

A team of astronomers have used the Hubble space telescope to capture with direct imaging asteroids smashing into each other ...

A pond on the verge of destruction revealed an unbelievable discovery—rare albino alien fish fighting to survive. Time was running out, and the only option was a daring rescue. Each catch brought ...

Melodee Buzzard's mother was arrested Tuesday and accused in the death of her 9-year-old daughter after the girl's body was found in a rural area of Utah more than two months after she disappeared in ...