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 ...

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 ...

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 ...

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 ...