Animals

Fossil Reveals First Known Skin Ulcer Infection in a Dinosaur

A fossilized leg bone unearthed in eastern Spain has given scientists the first evidence of a skin ulcer infection in a dinosaur, according to a new study published in Royal Society Open Science. The finding centers on a tibia belonging...

Cancer-Resistant Jellyfish Reveal a Surprising Defense Against Tumors

Jellyfish are among the most cancer-resistant animals on the planet, and a new mathematical and experimental study helps explain why. Researchers at the California Institute of Technology found that rapid cell division, long blamed for raising cancer risk, may...

“Immortal” Jellyfish Cheats Death by Turning Back Into a Baby

A tiny sea creature known as the immortal jellyfish appears to cheat death by reversing its own aging process, turning itself back into an earlier life stage whenever it is injured, starving, or under stress, researchers say. The species, scientifically...

Giant Crocodile That Hunted Dinosaurs Reconstructed for First Time

A school bus-sized "terror croc" that once preyed on dinosaurs in the swamps and rivers of the eastern United States has been reconstructed as a full-size, scientifically accurate skeleton for the first time ever. The display recently opened at...

Scientists Discover First Ever Contagious Cancer in Fish

Scientists studying a Vermont lake have confirmed the first known case of contagious cancer in fish, adding a new species to the short list of animals known to transmit cancer cells directly to one another. The discovery centers on brown...

New Monkey Species With Orange Lips Discovered in Congo

Scientists have identified a new species of monkey in the Democratic Republic of Congo, marking the discovery of an orange-lipped monkey species not previously known to science. The animal, formally named Colobus congoensis, was found living in the dense forests...

252-Million-Year-Old Fish Fossil Reveals Life Before Earth’s Greatest Mass Extinction

Researchers in Brazil have uncovered a new fish fossil dating back roughly 252 million years, found just 50 kilometers (31 miles) from the largest impact crater in South America. The specimen, named Leolepis matogrossensis, comes from the Corumbataí Formation in...

The Surprising World of Pets in Ancient Greece

When we think of the Ancient Greeks, it is easy to overlook how much their society resembled our own in certain ways, particularly in their deep devotion to their pets. From working farm dogs in the countryside to members of...

Three Brown Bears Found Shot and Poisoned in Western Macedonia, Greece

Authorities and environmental groups in Greece have raised the alarm after three brown bears died in Western Macedonia within a short period in cases believed to be the consequence of human intervention. Local authorities and wildlife protection organizations are investigating...

The Ancient Greek Belief That Animals Possessed Intelligence and Reason

Ancient Greeks held deep respect and affection for animals, believing they possessed reason, intelligence, and emotion, even as they hunted and sacrificed them to the gods. Greek literature and philosophy reveal a culture that viewed animals not merely as...