Earth's lithosphere is made up of seven large tectonic plates and a number of smaller ones. The theory of plate…
Venus' surface is no stranger to volcanoes. Radar images show more than 1,000 volcanic structures on the planet. But for…
It seems almost certain that an asteroid impact wiped out the dinosaurs. But only almost. Another competing theory won't completely…
200 million years ago, a mass extinction event wiped out about 76% of all species on Earth—both terrestrial and marine.…
Which camp are you in: volcanoes? Or asteroids? When it comes to the extinction of the dinosaurs, science has whittled…
A surtseyan eruption is a volcanic eruption in shallow water. It's named after the island Surtsey, off the coast of…
Jupiter's moon Io is in stark contrast to the other three Galilean moons. While Callisto, Ganymede, and Europa all appear…
Ceres, at almost 1,000 km (620 miles) in diameter, is the largest body in the asteroid belt. Between 2015 and…
Everyone knows an asteroid strike wiped out the dinosaurs, right? Lots of evidence shows that the Chicxulub impact event had…
Everyone knows about the extinction of the dinosaurs. A cataclysmic asteroid strike about 66 million years ago (mya) caused the…