Sometime in 2029, the European Space Agency is scheduled to launch its Comet Interceptor Mission. The Interceptor will wait for a long-period comet to arrive in the inner solar system then set off on ...

Astronomers surveying the outer solar system have revealed that a rare object far beyond Neptune is moving in sync with the eighth planet in an unexpected way. Called 2020 VN40 and first discovered in ...

An interstellar object called 3I/ATLAS is passing through our solar system this year, NASA announced yesterday. Today at 6 p.m. ET, you can see it for yourself, thanks to a livestream from the Virtual ...

This cosmic visitor is now officially named 3I/ATLAS, and it appears to be a comet from another solar system. Reading time 3 minutes Update: July 3, 09:24 a.m. ET: On Wednesday, July 2, the ...

Astronomers around the world are trying to track down a small, fast-moving object that is zipping through our solar system. Is a comet? An asteroid? NASA’s not sure. The space agency doesn’t even know ...

The discovery of a distant object hints that a giant planet may exist on the edge of our solar system Its elongated orbit suggests that it is shepherded by a massive planet While searching for the ...

In recent years, the detection of rogue objects exiting our solar system has captivated the scientific community and the public alike. With advancements in technology and data analysis, probes have ...

A newly discovered interstellar comet is hurtling around us, only the third interloper object to be observed in our solar system. It is not expected to pose an impact risk to Earth, but telescopes ...

There's something orbiting the sun, way, way beyond the distant realm of Pluto. A team of astronomers recently spotted the farthest-known object in the solar system using a telescope atop Hawaii's ...