Close stellar encounters could change the structure of our planetary system, potentially dooming Earth or other worlds to ...

A11pI3Z: Astronomers believe fast-moving object A11pI3Z could be only the third known interstellar visitor, after 'Oumuamua ...

What we already know, however, is that it has a much more extreme orbit than the two previous examples, 'Oumuamua and Borisov ...

But researchers have just demonstrated that once you are far away from the planets of the Solar System, there might be a ...

The Vera C. Rubin Observatory is expected to find millions of unknown objects in our solar system, and perhaps even a ...

Far past the familiar boundaries of our solar system, NASA's intrepid Voyager spacecraft are sending back mind-boggling data, ...

The Voyager probes we sent from Earth back in the 70s found an incredible 'wall of fire' at the edge of our solar system ...

A recent study indicates a small chance that Earth could be ejected from our solar system due to passing stars. Simulations ...

In the latest shutdown, the cosmic ray subsystem experiment on Voyager 1 and Voyager 2’s low-energy charged particle ...

An interstellar meteor may have slammed into Earth. If confirmed, a fireball that careened through our atmosphere in 2014 will be only the second known visitor from beyond our solar system.

To reach Earth’s closest star system, Alpha Centauri, scientists are building a laser-powered spacecraft. To pull off ...