1+ day, 8+ hour ago  (569+ words) A discovery made in the far north of Alaska opened a new stage in the study of polar Cretaceous ecosystems. Researchers identified three unknown species of mammals that inhabited the region approximately 73 million years ago, in an environment marked by…...

2+ week, 4+ day ago  (496+ words) For decades, science maintained that the oceans of the late Cretaceous period were almost exclusively controlled by enormous marine reptiles. However, a recent discovery by Japanese researchers altered that view and opened up a new interpretation of marine ecosystems from…...

1+ mon, 1+ day ago  (398+ words) Researchers in southern Brazil have unearthed bones that seem otherworldly. A complete skull, along with vertebrae and a pelvis, has revealed a new species of predatory reptile that lived about 237 million years ago, long before the era of the dinosaurs....

1+ mon, 3+ day ago  (352+ words) An international team led by scientists from the CONICET, at the Laboratory of Comparative Anatomy and Evolution of Vertebrates (LACEV) of the Argentine Museum of Natural Sciences, discovered fossil remains of a reptile that lived about 70 million years ago in…...

1+ mon, 6+ day ago  (513+ words) In a remote area of the northwest of the province of Chubut, an unexpected discovery once again highlighted the region's fossil wealth. A rural resident detected remains that, after being analyzed by specialists, turned out to belong to a dinosaur…...

1+ mon, 6+ day ago  (491+ words) The expansion of exotic species has become one of the main threats to the planet's ecosystems. In this context, an international study provides an encouraging perspective: in the Andes, altitude acts as a natural barrier that limits their spread. Thus,…...

1+ mon, 2+ week ago  (281+ words) The discovery of Megachelicerax cousteaui, a 500-million-year-old fossil found in the United States, redefines the evolutionary history of chelicerates, the group of arthropods that includes spiders, scorpions, and horseshoe crabs. The study, published in Nature by researchers from the Harvard…...

2+ mon, 1+ day ago  (289+ words) In 2021, during construction works in Davin'polis, state of Maranh'o, fossil remains were discovered that turned out to belong to a new species of long-necked dinosaur. Named Dasosaurus tocantinensis, this sauropod reached about 20 meters in length, becoming one of the largest…...

2+ mon, 5+ day ago  (259+ words) An international study published in Science in 2016 revealed that a Greenland shark could be nearly 399 years old, making it the longest-lived vertebrate ever recorded. The specimen would have been born approximately in 1627, during the colonial era, and was identified thanks…...

2+ mon, 1+ week ago  (300+ words) In the Buenos Aires city of Rojas, a fishing day turned into a discovery of great scientific and patrimonial value. Local resident Mat'as Gauna, while fishing in the Rojas River, found a large bone piece that caught his attention. Realizing…...