YR4 is a recently discovered near-Earth object (NEO) currently being closely monitored by NASA’s planetary defense teams.
Could an asteroid hit Earth in 2032? NASA says there's a chance, but the odds keep changing. We asked two experts to break it ...
Legendary scientist Neil deGrasse Tyson has explained how NASA and other planetary defense bodies could deflect the potential ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results