The new findings come from the Dark Energy Spectroscopic Instrument (DESI), which sits on a telescope at the Kitt Peak ...

Critics will say there are only about six truly dark areas, according to NASA maps ... Texas has laws governing lights around military bases — but most areas have limited requirements. Dark Sky ...

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

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

The massive annual spring migration of America's birds – millions of them – is underway. Here's how to follow along at home.

Last year, an enormous map of the cosmos hinted that the engine driving cosmic expansion might be sputtering. Now physicists ...

Most of the U.S. should be able to see the total lunar eclipse tonight, but clouds will be problematic for many.

Species include the fox sparrow, the American tree sparrow and the dark ... Mexico, Texas, Oklahoma and somewhat in the Maryland-New Jersey area. There's also a migration prediction map that ...

Firefly Aerospace's Blue Ghost lander, which successfully landed on the Moon on March 2, 2025, has made strides in exploring ...

SpaceX launched another batch of Starlink satellites into orbit, a little more than 12 hours after the private company teamed ...

With overcast skies providing comfortable temperatures and light wind throughout the day, the final session of the 2025 OBS ...