The satellite is believed to serve as both a radar tool for intelligence gathering and a platform for radiation testing.

5 Optical Fibre Sensors Research Centre, University of Limerick, Castletroy, Limerick, Ireland. It is widely accepted that it is important to accurately deliver the dose during radiotherapy to ...

The secretive Russian satellite in space that U.S. officials believe is connected to a nuclear anti-satellite weapon program ...

Understanding the origin of heavy elements on the periodic table is one of the most challenging open problems in all of ...

Astronomers have used the James Webb Space Telescope (JWST) to revisit a misunderstood black hole thought to be gulping ...

Now a Japanese company has commercialized one approach—an optical-lattice clock it claims is the most accurate on the market.

The Jefferson County Sheriff’s Office on April 7 started investigating fiber optic wire that was cut from utility poles in ...

A mysterious Russian satellite, believed by US officials to support a nuclear anti-satellite weapon programme, is showing ...

The Cosmos 2553 satellite has had various bouts of what appears to be errant spinning over the past year. Read more at ...

Observations from high-flying aircraft revealed that thunderclouds act as natural particle accelerators, emitting energetic ...