Fossils from some of the oldest-known animals on Earth, dating from 574 million years ago (Ediacaran period), suggest that cloning, not competition, dominated the Ediacaran seas, slowing evolution until environmental stress helped drive the rise of sexual reproduction and a burst of biodiversity.

The post Earth’s Earliest Animals May Have Thrived Too Easily to Evolve appeared first on Sci.News: Breaking Science News.

Depuis des décennies, des centaines de fosses alignées découvertes au Danemark défient les interprétations des chercheurs. Grâce à un projet d'archéologie expérimentale, de nouvelles pistes émergent sur la fonction de ces mystérieux aménagements datant de l'âge du fer.

In new research, scientists sequenced and analyzed chromosome-level genomes of the Linnaeus’s two-toed sloth (Choloepus didactylus) and the southern anteater (Tamandua tetradactyla).

The post Secret to Sloths’ Slow Life May Lie in Ancient ‘Jumping Genes’ appeared first on Sci.News: Breaking Science News.

Dévoilé au salon ILA Berlin 2026, le U760 Ravenstorm représente le pari d'Airbus sur un drone de combat européen. Une réponse directe à l'effondrement du programme Scaf et à la montée des tensions géopolitiques.

O mês de maio foi o segundo mais quente de sempre à escala global, tanto em terra como nos oceanos. A temperatura média do planeta atingiu 15,81 graus Celsius, ficando apenas atrás de maio de 2024. Portugal está entre os países da Europa que tiveram verão antecipado.

The post Maio de 2026 foi o segundo mais quente de sempre com Portugal a registar calor recorde appeared first on Tek Notícias.

Esplora la storia di Praearcturus, il gigantesco scorpione, e il suo impatto sull'evoluzione della vita sulla Terra.

Google just made it significantly cheaper to enjoy its budget AI subscription tier.

Paleontologists have identified a new species of meiolaniform turtle from northern Patagonia, Argentina, that lived during the Maastrichtian age, just before the asteroid-triggered mass extinction that wiped out all non-avian dinosaurs.

The post Fossil Discovery in Patagonia Reveals New Species of Horned Turtle appeared first on Sci.News: Breaking Science News.