If you saw lots of “shooting stars” this weekend during the peak of the Perseid meteor shower, you’ll likely have a burning question that you need an answer to—when is the next one?
But a meteorite that big should have left a mile-wide scar on the Earth and plunged 300 feet into the ground, according to the study authors. "That's a very difficult size hole to make go away ...
An curved arrow pointing right. NASA has successfully returned a 250-gram sample of dirt from a near-Earth asteroid called Bennu. Scientists around the world will study the rock particles to see ...