impact craters
We Now Know Exactly Which Crater the Martian Meteorites Came From
Mars is still quite mysterious, despite all we've learned about the planet in recent years. We still have a lot…
The Moon was Pummeled Even Harder by Asteroids Than it Looks
The Moon's pitted surface tells a tale of repeated impacts over a long period of time. While Earth's active geology…
It Turns Out That the World’s Oldest Impact Crater Isn’t an Impact Crater
In early 2012, an international research team surveying parts of southwestern Greenland announced that they had discovered the oldest impact…
Did a Comet Wipe out the Dinosaurs?
About 66 million years ago a massive chunk of rock slammed into Earth in what is the modern-day Yucatan Peninsula.…
There’s a Vast Microbial Ecosystem Underneath the Crater that Wiped Out the Dinosaurs
How did life arise on Earth? How did it survive the Hadean eon, a time when repeated massive impacts excavated…
Another Enormous Crater Found Under the Ice in Greenland
A glaciologist has discovered another enormous impact crater under more than a mile of ice in Greenland. This is on…
Jupiter’s Moon Callisto
With 67 confirmed satellites, Jupiter has the largest system of moons in the Solar System. The greatest of these are…
Amazing Impact Crater Where a Triple Asteroid Smashed into Mars
At first glance, you many not guess that this feature on Mars is an impact crater. The reason it looks…
Citizen Scientists Hunt for Impact Craters in Persia
Citizen scientists have discovered planets beyond our Solar System and established morphological classifications for thousands of galaxies (e.g., the Planet Hunters and…
Oldest Impact Crater on Earth Discovered in Greenland
With shifting continents, rain, and wind, finding traces of ancient impact craters on Earth has been, literally, astronomically low. Now,…