A potential solution to the decades-long “missing matter” problem has been uncovered in astronomers' recent analysis of X-ray ...

After more than 20 years of planning and construction, the Vera C. Rubin Observatory is ready for its grand opening, and the ...

An international team of scientists used expertise, patience, microlensing, and a little bit of luck to make an exceptionally rare discovery.

Beyond our galactic neighborhood, we usually deal with fewer than 100 detections per galaxy,” explains Fabian Scheuermann of ...

Understanding how the universe transitioned from darkness to light with the formation of the first stars and galaxies is a ...

Is the Hubble constant—a key part of how we measure the expansion of our universe—in a crisis? Some cosmologists say yes.

Star formation peaked during the Cosmic Noon, which spanned from 10 to 12 billion years ago. During Cosmic Noon, star ...

As the Vera C. Rubin Observatory surveys the night sky, astrophysicists expect to unlock the secrets of dark matter, dark ...

Gaia, Europe’s Milky Way–mapping spacecraft, shut down earlier this year. It was arguably the most important—and most ...

Just last week, for instance, the Hayden Planetarium at the American Museum of Natural History (AMNH) in New York City ...

The never-before-seen "nova," dubbed V462 Lupi, recently appeared in the constellation Lupus, after suddenly becoming 4 ...