Scientists have discovered that something is making cosmic distance markers appear much farther away than they should be.

"Fast radio bursts shine through the fog of the intergalactic medium, and by precisely measuring how the light slows down, we can weigh that fog, even when it's too faint to see." ...

Explained: light’s ability to travel vast cosmic distances without losing energy When light travels unimpeded, it loses no energy. It can maintain that 300,000-km-per-second speed forever ...

For the first time, astronomers have obtained visual evidence that a star met its end by detonating twice. By studying the ...

MUSE allows astronomers to map the distribution of different chemical elements, displayed here in different colours. Calcium ...

A fresh set of numbers is changing what scientists thought happens when a city‑sized slab of ice dissolves into the sea. The ...

Astronomers have found a remarkable pair of stars that may finally prove a long-debated theory. Described in the journal ...

The PGA Tour has crunched the numbers from its testing of distance measuring devices earlier this year and other policy ...

If you can screw in a lightbulb, you can install the Lorex 2K Wi-Fi Lightbulb Camera that combines an LED light source with a ...

At the summit of Cerro Pachón, the Vera C. Rubin Observatory has started its work.

Arizona is en route to creating an oversight office to monitor and report on the state Department of Corrections, ...

Optics 11 claims its underwater surveillance system can keep constant tabs on ships while remaining undetected.