These things take millions of years to go from one stellar neighborhood to another, so this thing has likely been traveling ...

NASA has discovered a new interstellar comet that's currently located about 420 million miles away from Earth. The space ...

Officially named 3I/ATLAS, the comet was confirmed as having originated outside of Earth's solar system on July 3, according ...

The newly discovered interstellar visitor is just the third of its kind and fascinates astronomers who hope to learn from it ...

In a rare astronomical event, astronomers have confirmed the passage of an interstellar object through our solar system.

I/ATLAS, earlier known as A11pI3Z, is only the third interstellar visitor to be discovered passing through our corner of the ...

Astronomers have discovered semi-heavy water ice around a young sunlike star, reinforcing theories about the origins of water ...

For the past few years, I’ve been studying a type of object that I called a dark comet – which could be just the culprit. In a new study my colleagues and I published in December 2024, we discovered ...

NASA has recently discovered some strange dark comets captured close to the Earth, and they are wondering where they are coming from. NASA found seven more “dark comets,” increasing the number of ...

Credit: Darryl Seligman Contributions to Earth’s oceans It’s still not clear exactly what these dark comets are. They may not even be traditional comets if they don’t have icy surfaces.

Outer dark comets are larger – about a mile wide in size – and on more elliptical orbits farther out in the solar system. Inner dark comets are smaller – typically 1,000 feet in size – and ...