The Milky Way is not the neat, flat pinwheel many of us learned about in school. Fresh data from precision star maps now show ...

Across the Milky Way and beyond, planetary systems appear to fall into a few recurring blueprints, and recent exoplanet ...

In 2025, astronomers sharpened their view of the planetary system around Proxima Centauri — the sun's closest stellar ...

Just in time for Christmas, a vast star-forming region shaped like a Christmas tree is lighting up space 2,700 light-years ...

P erihelion – or the Earth's closest approach to our host star – will take place on January 3, 2026. At this point, our ...

I don’t know anyone who isn’t stunned by the brilliance of the winter night sky. At this time of year, the stars seem to sparkle more than at any other, ...

How do planets like Earth and Jupiter come into existence? Astronomers are beginning to answer that question thanks to new ...

An interstellar comet believed to be billions of years older than the Sun passed its closest point to Earth on Friday, giving ...

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

Comet 3I/ATLAS represents just the third object in history to be known to have entered our solar system from outside.

While online conspiracies swirl, comet 3I/ATLAS made a close pass by Earth on Dec. 19, giving astronomers a rare glimpse of a ...

The mysterious interstellar comet 3I/ATLAS is making its closest approach to Earth on Friday, offering scientists a rare ...