3+ hour, 10+ min ago   (56+ words) Yahoo Delve into the remarkable yet precarious existence of the American horseshoe crab, a species that has thrived for over 200 million years but now faces an uncertain future. Learn about their unique characteristics, vital role in medical science, and the…...

5+ mon, 3+ day ago   (506+ words) Around 540 million years ago, the ocean erupted with complex life: Creatures rapidly transformed from simple, soft-bodied, ocean-floor-dwelling animals into bodies we might recognize today—animals with, say, a shell or cartilage, a mouth and anus, and the ability to swim,…...

1+ week, 4+ day ago   (255+ words) Yahoo Iguanodons might not be the flashiest dinosaurs, but these duck-billed beasts were fairly plentiful during the Cretaceous period. Equipped with sturdy flat teeth and long, strong jaws designed for ruminant chewing, members of the family iguanodontidae spread out across…...

1+ week, 6+ day ago   (559+ words) Modern crocodiles are often seen as models of cold-blooded endurance, but new research points to a much more high-energy past for their ancestors. Researchers say the branch that led to today's crocodiles may have stayed warm-blooded until close to the…...

2+ week, 2+ day ago   (639+ words) How did life begin? This mystery has tantalized scientists since Charles Darwin mused on it in 1871, spawning no shortage of competing theories about the origins of Earth's biology around four billion years ago. Yet, even today, a definitive answer remains…...

2+ week, 2+ day ago   (38+ words) Yahoo Think times are tough for mankind right now? It could always be worse — just ask the handful of humans who lived nearly a million years ago....

2+ week, 2+ day ago   (465+ words) Scientists studying ancient human remains recovered from the waters between Taiwan and the Penghu Islands say the bones could help fill in the sparse fossil record of Denisovans, one of humanity's most elusive extinct relatives. The new evidence suggests the…...

2+ week, 4+ day ago   (496+ words) Narwhals are truly unique. The animals are known for their straight, spiral tusks, which can reach some 10 feet in length. These overgrown teeth are the only tusks in the animal kingdom that are known to grow in a completely straight…...

2+ week, 4+ day ago   (156+ words) An International research team of scientists have uncovered the secret behind the narwhal’s famous twisted tusk using advanced 3D X-ray technology. Researchers discovered the tusk contains two opposing spirals, with the outer layer twisting left and the inner layer twisting right....

2+ week, 6+ day ago   (395+ words) Scientists have made a surprising discovery in a 125-million-year-old dinosaur fossil unearthed in China, potentially revealing a previously unknown anatomical feature in these ancient animals. The fossil, a young plant-eater now named Haolong dongi, seems to have hollow spikes rising…...