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

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

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

The chances of an asteroid striking Earth within the next decade has doubled in a matter of weeks, according to NASA ...

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YR4 has just above a 1% chance of crashing into Earth in 2032, which is why astronomers and space agencies are paying attention to it.

NASA and European scientists explain how they calculate the probability of the space rock 2024 YR4 impacting our planet, and why it’s not yet time to worry.