The shock waves from Allied bombing raids during World War II briefly weakened the ionosphere.
Why did dozens of U.S. Embassy workers in Cuba hear loud sounds and suffer neurological symptoms in 2016? There's a new, Cold War-era microwave explanation for the mystery.
Over the last four months, the U.S. Air Force has awarded two contracts for hypersonic weapons worth a maximum of $1.4 billion to aerospace giant Lockheed Martin.
Asbestos may be making a comeback, thanks to new moves from the EPA. Here's why it was banned in the first place.
The successful launch puts China "shoulder to shoulder" with the U.S. and Russia in the hypersonic nuke race.
Boeing has dreams of a hypersonic passenger plane, and it looks like something straight out of science fiction.
The U.S. Navy's most commonly used torpedo — the MK 48 — is getting a makeover that will make it stealthier, deadlier and farther-reaching than ever before, according to news sources.
Warnings of a Russian hypersonic weapon that the U.S. can't defend against may have had you running for the bomb shelter last week. But what, exactly, is this weapon, and how does it work?
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