The interstellar comet 3I/ATLAS is leaving our solar system for good. Here's what to know about its journey and NASA's ...

Astronomers have discovered two new exoplanets that are similar to other worlds found in the Milky Way, but unlike any in our ...

This summer, scientists spotted an incredibly rare visitor to Earth’s solar system—a comet, now known as 3I/ATLAS, that entered our solar system from the galaxy beyond and is zipping past the sun at a ...

THE SPACE COMMUNITY RECENTLY. AN INTERSTELLAR COMET THAT BEGAN OUTSIDE OUR SOLAR SYSTEM HAS JUST MADE ITS CLOSEST PASS OF THE SUN. THAT’S RIGHT. SO ASTRONOMERS HAVE OBSERVED THE COMET SINCE JULY, BUT ...