As well as some of the darkest skies on the U.S. East Coast, it's also the nation's southernmost point. At 24.5 degrees north ...

This image features a deep field view of the Cassiopeia constellation immersed in the glow of ionized hydrogen gas, where the ...

A theoretical astrophysicist has shed light on why being up in the sky doesn't necessarily give you the best view of the ...

I pick out North America’s celestial highlights for the weekend, which also applies to northern hemisphere mid-northern ...

Our current best theories of the universe suggest that dark energy is making it expand faster and faster, but new ...

The DESI experiment shocked cosmologists with a hint that dark energy varies over time. Now, with more data, the conclusions hold up.

Inside a state prison building, witnesses watched Arizona execute Aaron Gunches without the troubles of the past.

New data further challenge the best scientific theory of the history and the structure of the universe. But a separate recent ...