If an antimatter meteor came into our solar system, we’d definitely know about it, says one reader, especially if it hit the ...

Scientists say 3I/Atlas came closest to Mars in October. Its path this month put it in the path of the warm rays of our sun, ...

If you've ever wondered why we are here, then you can thank Jupiter for part of the answer. A new study from Rice University ...

When it comes to what part of Earth is most at risk of an ISO impactor, low latitudes near the equator face the greatest risk ...

We know of three interstellar objects (ISO) that have visited our inner solar system. Oumuamua was the first one, and it came ...

What if Earth sat at the center of the solar system? Imagine a universe rearranged with our planet as the gravitational hub.

A newly discovered comet named C/2025 V1, which some have compared to 3I/ATLAS, is due to make its closest approach to Earth ...

The asteroids are as large as around 75 and 91 feet in diameter, according to the Center for Near Earth Object Studies.

In a new book, NASA astrobiologist Caleb Scharf says the fate of life on Earth may hinge on leaving our planet behind ...

The object, estimated to be the size of a city block, is only the third known interstellar visitor to our solar system since ...