Scientists initially believed that asteroids hitting Earth, such as the Chicxulub impactor that wiped out the dinosaurs, represent very rare events. There are plenty of reasons why you would be tempted to believe so, and one of them is represented ...
Can you imagine what our planet might have looked like in its early years? As challenging as it might be, this imagination exercise actually helps. At least, that’s what a team of researchers believes. Earth billion years ago was different ...