The likelihood of asteroid 2024 YR4 colliding with Earth keeps shifting, according to scientists. The object — which is large enough to destroy an entire city — has a 0.28% chance of colliding with ...

The threat from near-Earth asteroid 2024 YR4 may have subsided, but discoveries of other hazardous space rocks are set to ...

How do you find a comet that could pose a threat to Earth but hasn't passed our planet in the last 200 years or more? You look for its footprint.

In December 2024, astronomers in Chile spotted a new asteroid streaking through the sky, which they named 2024 YR4. What’s significant about this 100m-wide space rock is that it has a small chance of ...

If the bad news is that Kirkwood gaps are due to asteroids hitting inner planets, including Earth, can it get much worse ...

which is why it's taken such a long journey -- and long time -- to swing by Earth again, according to The Planetary Society. A green comet will appear in the night sky this week, for the first ...

Meteorites are rocks from space that survive their fiery descent through Earth's atmosphere and reach the ground. More than ...

Astronomers have some new insight into the activity of centaurs, giant comets that could have a devastating impact if they hit the Earth's surface. Produced by Justin Gmoser and Jessica Orwig.

Comet Impacts Formed Continents When Solar System Entered Arms of Milky Way Aug. 24, 2022 — New research has found evidence that Earth's early continents resulted from being hit by comets as our ...

This also means that the asteroid has currently been downgraded on the Torino Scale, which is a color-coded scale that astronomers use to assess the risk of an asteroid or comet hitting Earth.