CAMBRIDGE, Mass.–Astronomers led by an MIT professor have revised the scale used to assess the threat of asteroids and comets colliding with Earth to better communicate those risks with the public.

Whew. Earth has dodged an asteroid scare. Asteroid 2024 YR4 was looming large in humanity’s vision. At one point, it was calculated to have a roughly 3.1% chance of impacting Earth on Dec. 22, 2032.

One of the hardest things to calculate for an asteroid is its mass—but it is such a critical feature. It determines how much of an impact it would have if it hits something, or how many resources are ...

NASA's so-called "doomsday asteroid" Apophis - named after the ancient Egyptian god of chaos - is set to pass Earth closer than some satellites.

TEMPLE, Texas — Good news for all earthlings, our home planet is likely in the clear after an asteroid was recently identified as a possible threat of hitting Earth. Asteroid 2024 YR4 is estimated to ...

Update: The odds of asteroid 2024 YR4 striking Earth in 2032 have fallen to 1.5%, NASA announced Wednesday. Read the latest. The risk that an increasingly ominous asteroid dubbed 2024 YR4 will crash ...