If you travel fast enough past the speed of sound, you enter hypersonic territory, but attaining those speeds comes with a ...

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

Hypersonic missiles promise Mach 5 speeds and “unstoppable” performance. Yet decades in, they remain unreliable, expensive, ...

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

The Navy is seeking to boost prototype efforts for hypersonic all-up-rounds of varying sizes and launch capabilities, according to a request for solutions released today.

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

Kratos is not just using its own Erinyes system for MACH-TB, and is including other partner systems as part of the overall ...

Inspired by ‘novel sustainable technology’ research, the team designs a single, powerful system using solar energy for ...

Castelion raised $350 million in Series B funding from Altimeter Capital, Lightspeed Venture Partners and other investors.

He has covered airlines and aerospace at Bridgewater Associates, the world’s largest hedge fund, and served major industry ...

Hypersonic vehicles aren't much use if you don't know where they're going, so Northrop Grumman is developing new navigation ...

Stratolaunch previously announced it received $24.7 million from the Missile Defense Agency for a hypersonic flight test targeted for late 2025.