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

The risk that an increasingly ominous asteroid dubbed 2024 YR4 will crash into Earth in seven years now exceeds the the ...

NASA has just increased the likelihood that the asteroid 2024 YR4 will hit the Earth on December 22, 2032, to 3.1%.

Did you see something glowing in the sky on the evening of Feb. 4? You weren't the only one, but it might not be what you ...

Over the next several weeks, astronomers will be looking closely at an asteroid called 2024 YR4 that could be as big as a ...

YR4 has reached the highest risk of impact yet, according to both NASA and the European Space Agency, with the agencies ...