Astronomers Peer at a Young Star System That Is Strikingly Similar to Our Own
DM Tau has its own asteroid belt, and may be developing its own versions of Earth and Neptune, too.
Scientists Discover the Closest Known Asteroid to the Sun
It's one of 19 asteroids that have been detected within Earth's orbit.
Asteroids Crash Into Earth Over Twice as Often as 290 Million Years Ago
Scientists find that a surge in Earth impacts began during the Permian period, possibly because of disruptions in the asteroid belt.