Everyone's favorite interstellar comet, 3I/ATLAS, flew past Earth overnight, coming within about 168 million miles (270 ...

Incredible but true! A Harvard astrophysicist puts forward a startling hypothesis: comet 3I/ATLAS could be an alien ...

I/ATLAS has passed its closest point to Earth, meaning we will soon lose sight of it for good. Some scientists want to send a spacecraft to chase down the alien comet — or the next interstellar object ...

All year long, these moments captivated the public, demonstrated dangerous trends, and pushed research and innovation forward ...

Interstellar comet 3I/ATLAS will fly by our planet at a safe distance of 1.8 astronomical units (roughly 167 million miles or ...

From an interstellar comet to breathtaking auroras and from brand-new rockets to iconic space telescopes, here are some of our favorite images from the cosmos in 2025 ...

NASA's PUNCH mission is photographing the Sun like never before. It can see comets that are invisible to every other ...

The Star of Bethlehem sits at the crossroads of faith and astronomy, a single light in the Gospel story that has inspired ...

The cosmic object, originating from beyond our solar system, sparked curiosity reminiscent of a science-fiction spectacle, ...

“Hollywood has preconditioned us to expect one of two types of alien contact, either a hostile invasion force or a benevolent ...

Space telescopes are typically optimized either to study a small patch of the sky across many wavelengths of light or to ...

Unfortunately for Will Cocherell, he would not be able to finish what he started on Monday night. Fortunately for Cocherell, the rest of his Van Buren County teammates were more than capable of ...