When comet 3I/ATLAS swept through the inner solar system in late 2025, it gave astronomers something no interstellar visitor ...

A newly discovered object speeding through our solar system is sparking excitement among astronomers because it’s not from around here. Believed to be a comet, the object is only the third celestial ...

Currently, the closest exoplanet to Earth is Proxima Centauri b, which orbits the star Proxima Centauri, located 4 ...

3I/ATLAS is not just another comet drifting by. This object likely formed around another star, may be older than our Sun, and is now showing signs of disintegration in real time. In this video, we ...

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 ...

New measurements of radio galaxies reveal that the solar system is racing through the universe at over three times the speed predicted by standard cosmology. Using highly sensitive data from multiple ...

Even at a glance, the planets in our solar system are wildly diverse. Huge and small, airless and densely packed with ...

Astronomers have discovered that the Solar System traversed the Orion star-forming complex, a component of the Radcliffe Wave galactic structure, approximately 14 million years ago. This journey ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. A tiny black hole may pass through our solar system once every ten or ...

It was 4 a.m. on Nov. 25 at the top of Hawaii's dormant Maunakea volcano. The process to view the comet took less time than expected. On the main screen, the subject at hand, interstellar comet ...