Astrophysicist Neil deGrasse Tyson says we needn’t worry about the “mansion-sized” asteroid heading toward Earth. The chances of 2024 YR4 colliding with Earth keep shifting, NASA reports. In a recent update shared by NASA the asteroid now has a 1.

Scientists first spotted asteroid 2024 YR4 in December, initially calculating a record-high 3.1% chance of impact. While the odds have since dropped, questions remain. Astrophysicist Neil deGrasse Tyson joins "CBS Mornings Plus" to break it all down.