Related topics: extinction · dinosaurs · fossil record · climate change · earth

Hubble sees boulders escaping from asteroid Dimorphos

Wayward asteroids present a real collision hazard to Earth. Scientists estimate that an asteroid measuring several miles across smashed into Earth 65 million years ago and wiped out the dinosaurs, among other forms of life, ...

Are we really in a sixth mass extinction?

As a philosopher of science, Alisa Bokulich grapples with weighty questions like, how can scientific models represent a system as complex as the Earth? How can we reconstruct Earth's 4.5-billion-year history using only the ...

page 4 from 40