A new study reveals Kostensuchus atrox, a massive crocodile-like predator from 70 million years ago, hunted dinosaurs in Patagonia. This apex predator weighed 550 pounds and was a formidable competitor in its ecosystem.
Today marks a historic moment in space exploration as NASA astronauts Nichole Ayers and Anne McClain embark on the fifth all-female spacewalk. Watch live as they enhance the ISS's power capabilities!
