Our first interstellar visitor brought a mystery. It accelerated beyond what we would expect from gravity alone.

"We've got a neighborhood that we live in, our neighbors occasionally come and visit," Professor Chris Lintott told Newsweek ...

The speed and trajectory of the object, A/2017 U1, suggested that it did not come from our Solar System, and that it will ...

When the loneliest spacecraft in the universe suffers a glitch, it is not just a case of switching it off and on again.

An unexpected guest has made its way into our Solar System. This is Oumuamua. Looks like a weird rock, right? Well, it’s an interstellar object, an ISO. And it’s tumbling through space in a way that ...

NASA re-established communication with Voyager 1, an interstellar spacecraft that nearly five months ago began sending ...

After months of trying to reestablish communication with the Voyager 1 probe — the most distant human-made object in ...

Voyager 1 and its twin, Voyager 2, are the only spacecraft to venture into interstellar space, the area between stars ...

“The S73-7 satellite has been rediscovered after being untracked for 25 years,” Jonathan McDowell, an astrophysicist from the ...

"Hi, it's me." NASA's Voyager 1 interstellar mission is getting back on track after a computer problem last year caused the ...

Using the James Webb Space Telescope (JWST), an international team of astronomers has explored young stellar objects (YSOs) ...