The head of planetary defense at the European Space Agency discusses 2024 YR4, an asteroid with a small chance of striking ...

Over the next several weeks, astronomers will be looking closely at an asteroid called 2024 YR4 that could be as big as a football field as they try to determine how likely it is to strike Earth in ...

After spending much off the offseason trying to trade Nolan Arenado, St. Louis Cardinals president of baseball operations John Mozeliak admits it would be awkward if the third baseman arrives in camp ...

Now experts have modelled what the possible impact of 2024 YR4 – equal to 15,000,000 tons of TNT – could look like.

"An asteroid this size impacts Earth on average every few thousand years and could cause severe damage to a local region," ...

Where things stand: The chances of the asteroid hitting Earth currently stand at 2.1%, or about 1 in 47, and could fall to ...

YR4 were to strike Earth, the energy released could be equivalent to 8 megatons of TNT, capable of devastating an area the size of Washington, D.C.