Just a few smashups in the asteroid belt may account for 70 percent of Earth’s meteorites, limiting what’s known about our solar system’s history.
Insects stuck in sundew plants’ sticky secretions suffocate and die before being subjected to a medley of digestive enzymes.
Robin George Andrews specializes in covering Earth, space and planetary sciences. He has a Ph.D. in volcanology and is the author of two nonfiction books, Super Volcanoes and How to Kill an Asteroid.