In 2021, NASA gave the all-clear to another potentially worrisome asteroid, Apophis, after new telescope observations ruled ...

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

YR4 has a roughly 2 percent chance of hitting Earth in 2032, and “is large enough to cause localized damage,” NASA says.

The space rock is heading in our direction at some 18,700 miles per hour, according to the space agency's data.

A new study out this week said that the Earth's inner core is less solid than previously thought. Scientists still have questions, though.

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There seems to be too much of a radioactive element in rocks deep in the Pacific Ocean – how did it get there 10 million ...

Earth passed the 1.5°C warming limit in 2024. The Arctic is warming four times faster than the rest of the world.

In an update issued on February 7, NASA said the probability of 2024 YR4 hitting the Earth had gone from around 1.2 percent (one-in-83) to 2.3 percent (one-in-43).