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

YR4 has a very small chance of striking Earth when its orbit briefly intersects our planet's in December 2032.

In January 2025, Venus, Mars, Jupiter, Saturn, Uranus and Neptune were all visible in the night sky. And in February, 2025, ...

As Earth approaches warmer levels experienced earlier in its geologic history, it may be bad news for human survival.

Discover interesting facts about how big earthquakes can get, why earthquakes happen, and why they're so hard to predict.

Although the Earth’s been decidedly blue for 600 million years, rising populations of phytoplankton caused by rising ...

The chances of Asteroid 2024 YR4 striking Earth have increased. Here's what that means, and where the potential impact zone ...

For example, Jupiter is the most massive planet in our solar system. It’s so big, it could swallow 1,000 Earths. So it ...

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

Even the smallest odds of an impact sound alarming, but scientists’ ability to calculate them is actually good news.

Another night of observations revealed there is little to fear from the football-field-sized Asteroid 2024 YR4.