Tiny, long-armed dinosaur leads to rethink of dinosaur miniaturization

Small size seems to have come before a change in diet for a tiny dinosaur lineage. Alvarezsaurids were mostly small-bodied theropods that paleontologists originally misinterpreted as early flightless birds, only to later recognize them as an ant-eating lineage of non-avian dinosaurs. For years, we suspected that Alvarezsaurids underwent a…

Hunting for elusive “ghost elephants”

Werner Herzog directed this evocative NatGeo documentary of an ornithologist’s quest to find a new species. Deep in the Angolan Highlands lurks a rumored new species of elephant. Conservationist and ornithologist Steve Boyes has been searching for this elusive herd for years and the story of his journey is…

A unicorn-like Spinosaurus found in the Sahara

A unique head spike and fish-eating jaws help make sense of these dinosaurs. The Spinosaurus is a sail-backed, crocodile-snouted dinosaur that Hollywood depicted as a giant terrestrial predator capable of taking down a T. rex in Jurassic Park 3. Then they changed their mind and made it a fully…

Asteroid defense mission shifted the orbit of more than its target

The binary asteroid’s orbit around the Sun was affected by the impact. On September 26, 2022, NASA’s Double Asteroid Redirection Test (DART) spacecraft crashed into a binary asteroid system. By intentionally ramming a probe into the 160-meter-wide moonlet named Dimorphos, the smaller of the two asteroids, humanity demonstrated that…