In-depth research of the fossil record has shown a Cretaceous origin for placental mammals, which include humans, dogs, and bats, indicating they co-existed with dinosaurs for a short period before the dinosaurs became extinct.
Washington [US], September 24 (ANI): While the vast majority of asteroids and comets are not dangerous, and never will be, it's also true that 66 million years ago, a giant asteroid impact on the Earth likely caused the extinction of the dinosaurs.
Washington [US], July 2 (ANI): NASA's Double Asteroid Redirection Test (DART) mission is the world's first full-scale planetary defence test against potential asteroid impacts on Earth. Researchers now show that instead of leaving behind a relatively small crater, the impact of the DART spac
Washington D.C. [USA], Dec 15 (ANI): Evidence collected from the Antarctic seashells by researchers have revealed the earth was stressed and unstable even before the asteroid impact that led to wiping out of dinosaurs on the planet.