3I/ATLAS, an interstellar object currently zipping through the solar system, is capturing the attention of astronomers, the public and even most of our deep space assets. Its hyperbolic orbit tells us ...

The findings suggest Earth’s geological story was partly written in the stars – specifically, in the spiral arms of our home galaxy.

Scientists got a never-before-seen look at an area around a large exoplanet 625 light-years away where moons could potentially form.

The month is packed with skywatching highlights—including two galaxies visible to the naked eye and a rare glimpse of the innermost planet.

This article, originally titled "The Man Who Discovered the Universe," is from the Summer 2025 issue of Air & Space Quarterly, the National Air and Space Museum's signature magazine that explores ...

Astronomers have discovered a tiny, ghostly galaxy in a remote corner of the universe, likely a cosmic castaway flung from its original galactic group billions of years ago and left to wander in ...

Gauging the mass of a black hole is tricky, but astronomers have devised multiple methods to measure the heft of these galactic gluttons ...

The Habitable Worlds Observatory is poised to tell us whether Earthlike planets are common—if it can get off the ground ...