Greek mythology has given a name to a great many objects in our solar system. But perhaps one of the least well understood ...

Strange objects from other star systems are visiting our solar system. These interstellar visitors are scientifically ...

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 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 ...

Earlier this summer, astronomers discovered something strange whizzing past Jupiter: an interstellar object. Scientists named it 3I/ATLAS. It’s only the third interstellar object ever observed, and it ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. Travelling between the stars has been a dream of humanity for ...

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 ...

Oumuamua may not be as unusual as we thought. As our Solar System makes its 230 million-year orbit around the outer edges of the Milky Way galaxy, it occasionally passes by bits of cosmic jetsam ...

Tiny interstellar visitors from other star systems are increasingly entering our solar system, with the latest, 3I/ATLAS, detected in July 2025. These objects travel at extreme speeds, making them ...