Hypersonic weapons are in the spotlight. Here’s how they work, why they matter, and what current programs in Russia, China, ...

With $350 million in new funding, Castelion is among the companies racing to make the U.S. competitive with Russia and China ...

Lockheed Martin said on Wednesday it has opened a hypersonics system integration lab at its Huntsville campus as it pushes to ...

Lockheed Martin Corp. has opened a new lab focused on hypersonic weapons in Alabama, as the US struggles to catch up with ...

"Castelion is transforming the economics of our defense industrial base," said Paul Kwan, Managing Director, General Catalyst ...

The U.S. Navy is reinventing the Zumwalt-class destroyers as its first surface ships armed with Conventional Prompt Strike ...

The Series B raise follows a steady funding climb. In January 2025, Castelion reported a $100 million infusion that included ...

Lockheed Martin has opened its $17 million, 17,000-square-foot Hypersonics System Integration Lab on its Huntsville campus.

Space Transportation released what it said was launch and strike footage of its new YKJ-1000, which it later showed attacking ...

Hypersonic weapons are alarming on their own—but there is little evidence that Pakistan has built the underlying technology that makes them truly lethal.

After years of research and development by the U.S. Navy, hypersonic missiles are now being tested for deployment on ...

The delivery of the first prototype hypersonic hardware to the Army is seen in 2021. (Spc. Karleshia Gater/Army) The U.S. Army’s first unit to receive hypersonic weapons will get a battery’s worth of ...