Steve Bellavia and Justine Haupt of the Custer Observatory worked on the new telescope at the Vera C. Rubin Observatory in ...

How does a 15-kilometer-wide comet, moving at 152,000 miles per hour, slip into our solar system undetected until a global ...

Astronomers have detected a giant exoplanet—between three and ten times the size of Jupiter—hiding in the swirling disk of ...

A mystery interstellar object discovered last week is likely to be the oldest comet ever seen – possibly predating our solar system by more than three billion years, researchers say. The "water ...

New research has revealed everything astronomers currently know about the mysterious interstellar object 3I/ATLAS.

Tony Tyson’s cameras revealed the universe’s dark contents. Now, with the Rubin Observatory’s 3.2-billion-pixel camera, he’s ...

Just the third-ever confirmed interstellar object has been detected in our solar system. Here's what we know. (Spoiler: It's ...

The interstellar comet 3I/Atlas is the fastest and largest of its kind, giving astronomers a rare glimpse into extrasolar ...

Stars often die with a final burst of beauty. For the first time, astronomers have captured visual proof that a star can ...

The NASA-funded ATLAS (Asteroid Terrestrial-impact Last Alert System) survey telescope in Rio Hurtado, Chile, first reported observations to the Minor Planet Center of comet 3I/ATLAS on July 1, 2025.

A team led by the Italian National Institute for Astrophysics discovered the most distant known fossil galaxy — a relic of ...

Bechtol and his fellow scientists hope they can learn more about the universe than all of scientific progress has allowed in ...