"Great shoes. Get ready for lots of compliments on them. I can't count how many times people have said 'nice shoes,'" says a ...

Iran is boasting that it has hypersonic missiles and says it already has begun firing the cutting-edge weapons at Israel.

The U.S., Russia and China are in the middle of a hypersonic arms race — and right now, the U.S. is losing. But private companies are stepping up to develop hypersonic tech that shifts the edge ...

As air begins to decompose around an object moving at hypersonic speed, researchers point a laser sheet at the molecules, which absorb the light briefly and then emit it in different colors. JULY 28, ...

Hypersonic missiles are fast, and the 3M22 Zircon's advertised speed makes it the planet's fastest hypersonic cruise missile — for now.It's powered by a ramjet engine, also called a scramjet ...

Hypersonic missiles, unlike ballistic missiles, don't have to leave the atmosphere to reach their targets. These weapons, capable of reaching speeds up to Mach 5, can make quick course corrections ...