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

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 ...

For this, astronomers used two facilities: the Submillimeter Array (SMA), CfA's eight-dish collection of radio telescopes in ...