His aerospace company Blue Origin started a countdown on Jan. 13 ... NASA deliberately crashed a spacecraft into a harmless asteroid to practice thwarting a space rock, should a hazardous one ...

Remember the potential "city killer" asteroid we were all freaking out about, 2024 YR4? Initially predicted with a small but unsettling chance of hitting our planet seven years from now ...

November 25, 2024 • Books We Love returns with 350+ new titles handpicked by NPR staff and trusted critics. Find 12 years of recommendations all in one place — that's nearly 4,000 great reads ...