occupy and attack increasingly rare gaps in the spectrum where signals can get through. “What you’re seeing in Ukraine is electromagnetic manoeuvre warfare in action,” says Thomas Withington ...

By observing tiny ripples in spacetime called "gravitational waves" that propagate away from colliding black holes, ...

Blue light, which emanates from sunlight, LED-based ... The visible spectrum is the portion of the electromagnetic spectrum that is visible to (can be detected by) the human eye. Electromagnetic ...

The US Air Force's 2050 vision is more than a declaration-it's a stark warning that US military dominance is no longer assured.In December ...

Using a servo-controlled truss, a unique 3D surface can dynamically transition between absorption, reflection, and ...

These mysterious objects can have masses several million or billion times that of the Sun and are so dense that they warp space time around them. As far as astronomers know, all galaxies harbour a ...

Using 20 years of data from the Hubble Space Telescope astronomers have discovered that turbulent stars could be corrupting ...

Check out a preview of Green Lantern Corps #1, where John Stewart leads a newly formed team against Sorrow's plans to create ...

A new form of black hole archeology, linking spin to gas and dust, has revealed that these cosmic titans spin faster than ...

RSI Europe's flagship products are a first-person-view quadcopter drone and a remote explosives initiation system.

A newly released photo shows the “golden pager” Israeli Prime Minister Benjamin ... Netanyahu gifted Trump two pagers — one regular, one golden — during their meeting Tuesday.