1+ hour, 39+ min ago  (585+ words) For the first time, researchers have extracted ancient human DNA directly from the walls of a cave....

19+ hour, 52+ min ago  (591+ words) Life reconstruction of the Antarctic titanosaur. Image credit: Andrew Mc Afee, Carnegie Museum of Natural History. The Antarctic dinosaur vertebra came from the Santa Marta Formation on James Ross Island, off the tip of the Antarctic Peninsula. Cataloged as BAS…...

22+ hour, 20+ min ago  (178+ words) Urokodia aequalis, an early Cambrian marine predator from the Chengjiang biota of China, preserves the earliest known evidence of chelicerae -- the pincer-like structures that later evolved into the fangs of spiders and the pincers of scorpions....

23+ hour, 11+ min ago  (562+ words) Astronomers have discovered a rocky exoplanet about twice Earth's size just 25 light-years away, orbiting in the habitable zone of its parent star, Gliese 3378. An artist's conception of the view from the surface of Gliese 3378b. Image credit: Nikolai Berman / UC Irvine....

1+ day, 32+ min ago  (665+ words) A large review of clinical trials published this week in the journal PAIN suggests that melatonin " the over-the-counter sleep supplement taken by millions of people " may offer meaningful relief for patients suffering from chronic musculoskeletal conditions such as low back…...

1+ day, 2+ hour ago  (41+ words) Just 1. 4 billion years after the Big Bang, MXDFz4. 4 -- a galaxy 100 times smaller than the Milky Way -- was blasting ionizing light through the neutral hydrogen that once shrouded everything, giving astronomers their closest-ever look at cosmic reionization in action....

1+ day, 19+ hour ago  (208+ words) Named Panthera pardus burgtonnae, the newly-identified leopard subspecies roamed Europe during the Eemian interglacial period and was far more heavily built than modern leopards....

1+ day, 21+ hour ago  (182+ words) NASA's Perseverance rover has uncovered the most extensive evidence yet of complex organic molecules on Mars, detecting macromolecular carbon in rocks from the Bright Angel formation in Jezero Crater....

2+ day, 14+ min ago  (486+ words) New research from the University of Bristol suggests that pterosaurs " the first vertebrates to achieve powered flight " probably displayed a much wider array of wing shapes and flying styles than fossil-based reconstructions have depicted. Pterosaurs thrived from about 210 to 65 million…...

2+ day, 18+ hour ago  (350+ words) A nearly complete skull unearthed decades ago in Arizona has given paleontologists their clearest look yet at Adelphailurus kansensis, an enigmatic felid species that inhabited North America more than 5 million years ago and occupied an early branch of the saber-toothed…...