But Earth's rotation has been slowing due to tidal interactions with the Moon, meaning that days were considerably shorter in ...

June 30 marks Asteroid Day, a holiday observed annually to reflect on the prospect of a planet-destroying space rock striking ...

Called 2024 MK, the space rock will make its closest approach to Earth Saturday morning, passing by at about three-quarters ...

The asteroids aren’t expected to come in contact with Earth, but could cause “considerable damage” if they did, according to ...