- Asteroid Bennu has a slim chance of hitting our planet on September 24, 2182, NASA said.
- It would release as much energy as about 24 nuclear bombs, so NASA is keeping a close eye on it.
- Dust grabbed from the asteroid by NASA's Osiris-Rex spacecraft is due to arrive on Earth on Sunday.
What are you doing on September 24, 2182? You may want to clear your calendar because scientists think an asteroid may hit Earth.
NASA scientists are keeping a close eye on asteroid Bennu, a 1,610-foot-wide cosmic object that could smash into our planet.