3I/ATLAS isn't just fascinating because it is the third interstellar visitor found in the solar system; new research suggests ...

When the object now known as 1I/ʻOumuamua streaked through the inner Solar System in 2017, it instantly rewrote the playbook on what small bodies in space can look like. It was the first confirmed ...

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. NASA's planet-hunting TESS ...

I thought about the interstellar visitor as my daughter, wife, and I took turns dragging his wandering monster truck balloon ...

In late 2025 a mysterious comet flew between the orbits of Earth and Mars and reached a speed of more than 150,000 miles per hour during its closest approach to the sun. The rare interstellar guest to ...

January brought a wide range of thoughtful science conversations featuring researchers from the SETI Institute, spanning everything from hands-on planetary defense with citizen scientists to careful ...

I/ATLAS may be more than the strangest space object astronomers have observed within our solar system—it could also be one of the oldest.

Spread the loveIn a stunning revelation, new footage has emerged, showcasing an interstellar comet that has left scientists around the globe in a state of bewilderment. Published on April 3, 2026, by ...