Comet 31/ATLAS is only the third interstellar object to ever be observed whizzing through the Solar System. While its origins ...

Astronomers recently spotted an interstellar object, 3I/ATLAS, on an unusual trajectory, sparking speculation about its origin and nature.

Interstellar objects are visitors from solar systems beyond our own, and the third ever such object, known as 3I/ATLAS, has ...

Scientists discover 3I/ATLAS, a possible 7-billion-year-old comet from deep space. It may rewrite what we know about the ...

A team of international astronomers, including a University of Michigan doctoral student, were the first to publish the ...

New simulations have narrowed down where the newly discovered interstellar comet 3I/ATLAS likely came from, revealing it could be more than 3 billion years older than the solar system.

NASA’s New Horizons spacecraft has been used to demonstrate simple interstellar navigation by measuring the parallax of just two stars. An international team was able to determine the location and ...

A new analysis of exoplanets has shown interstellar contamination from nearby stars could change where to search for ...

The Voyager spacecraft, Voyager 1 and 2, have traveled farther than any human-made objects in history, entering interstellar ...

Ever the space travel pessimist, Yoshiyuki Tomino says humans will never achieve the interplanetary life seen in 'Mobile Suit ...

A newly discovered ice comet from deep space may be over 7 billion years old, making it the most ancient comet scientists ...

A newly discovered object from deep space may be the oldest comet ever observed—possibly more than 7 billion years old, and ...