South polar region of the giant asteroid Vesta. NASA/jPL-Caltech/Getty Images When the detection of the asteroid was announced last month, NASA predicted just a 1.3% probability of it hitting ...
But on some worlds, including the giant asteroid Vesta that NASA’s Dawn mission explored, the surfaces also contain deep channels, or gullies, whose origins are not fully understood. A prime ...
A so-called "city killer" asteroid scientists have been monitoring after discovering it had a small chance of hitting Earth in 2032 "no longer poses a significant threat," NASA said in its latest ...