The asteroid known as 2024 YR4 is out of sight yet still very much on scientists’ minds. The building-sized object, which initially appeared to be on a potential collision course with Earth, is ...

Rep. Anna Paulina Luna and Harvard Scientist Avi Loeb are calling for NASA to monitor the Manhattan-sized interstellar object ...

If we slam an impactor into an asteroid in exactly the wrong spot, the space rock may pass through a "gravitational keyhole" that brings it to Earth.

The asteroid known as 2024 YR4 is out of sight yet still very much on scientists' minds. The building-sized object, which initially appeared to be on a potential collision course with Earth, is ...