The interstellar visitor may still have a few things to tell us before it leaves our solar system.

NASA’s newly launched IMAP mission is set to tell us more about the boundary between our Solar System and interstellar space ...

3I/ATLAS, an interstellar object identified by NASA as a comet, recently passed its closest point to the sun. Scientists around the world are observing its months-long journey to learn more about the ...

In 2006, NASA’s Stardust mission accomplished something no other spacecraft had done before: it returned solid material from ...

Interstellar comet 3I/ATLAS has spent the last several months on a tour of our solar system. NASA spacecraft and telescopes have snapped photos of this celestial visitor over the course of its journey ...

NASA has revealed a terrifying glimpse into our solar system's grizzly fate. In five billion years, scientists believe the ...

NASA is quietly ending financial support for independent planetary science advisory groups, according to a letter posted to the agency’s website on January 16. The affected groups have historically ...

The interstellar comet 3I/ATLAS will make its closest approach to Earth on Dec. 19. Originating from outside our solar system, the comet is not a threat to Earth. While not visible to the naked eye, ...

WASHINGTON — NASA released fresh images on Wednesday of the interstellar object called 3I/ATLAS that astronomers have determined is a comet probably even older than our solar system, as space agency ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

It may not feel like it, but everything in the universe is in constant motion. Our Sun, with all its planets, orbits the center of the Milky Way, flying through the cosmos at around 450,000 miles per ...