Learn how the newly identified crocodile Crocodylus lucivenator lived alongside Lucy’s species in ancient Ethiopia — and why researchers say it may have been the region’s most dangerous predator.
Learn how comparing aggression in chimpanzees and bonobos challenges the long-held belief that chimpanzees are the more violent of our closest ape relatives.
Learn how a newly identified mushroom species may reveal the evolutionary origins of Psilocybe cubensis, the world’s most widely cultivated magic mushroom.
Learn how ALMA observations revealed unusually high levels of methanol in interstellar comet 3I/ATLAS and what the molecule’s chemistry may reveal about how icy bodies form around other stars.
Learn how ancient DNA and isotope analysis revealed that Amazon parrots were transported alive across the Andes to coastal Peru in a pre-Inca trade network.
Learn how scientists identified genetic clues that distinguish natural viral spillovers from lab-handled viruses — and why one historical outbreak of 1977 surprised them.
Learn how fossils from Arizona’s Petrified Forest National Park revealed that a Late Triassic crocodile relative may have started life on four legs before walking on two as an adult.
Tracking over 600,000 veterans shows that GLP-1 receptor agonists are linked to lower rates of substance use disorders, fewer overdoses, and fewer addiction-related hospital visits.