Bad Astronomy | Comet near Jupiter is going to be ejected from the solar system February 28, 2021February 26, 2021
Why some scientists think a comet, not an asteroid, caused the dinosaurs to go extinct February 18, 2021February 17, 2021
Impact that killed dinosaurs was piece of comet, not asteroid: study February 17, 2021February 16, 2021
The space rock that doomed the dinosaurs was shrapnel from a comet that flew too close to the sun, a Harvard study suggests February 17, 2021February 16, 2021
Dinosaur-killing comet may have come from the edge of the solar system February 16, 2021February 16, 2021
Need some space? You can now buy 7 billion-year-old stardust and pieces of the moon and Mars February 7, 2021February 6, 2021