Viral speculation that earth was now home to a second moon has circulated social media over the past days, but astronomers ...

New observations provide insights into whether the birth of the giant planets takes a similar course to that of stars. New observations provide insights into whether the birth of the giant planets ...

The University of Delaware’s Department of Physics and Astronomy offers an undergraduate major program leading to the B.S. in physics, with the option of a concentration in astronomy/astrophysics, as ...

A new study co-led by the University of Oxford and Google Cloud has shown how general-purpose AI can accurately classify real changes in the night sky—such as an exploding star, a black hole tearing ...

Astronomy day 2025 is upon us! To celebrate, we've picked six targets to emphasize the variety and scale of objects visible in the night sky that will make for a beautiful and rewarding sight, whether ...

In “Citizen Science in Astronomy (Part 7),” SETI Institute astronomers Dr. Franck Marchis and Dr. Lauren Sgro highlight two rare and compelling discoveries and the crucial role of citizen scientists ...