When you see what look like strobe lights shooting out behind a jet or a space shuttle, blame it on our old friend physics. Those lights called are shock diamonds, or mach disks. Sometimes they look ...

Sometimes when a rocket or a jet takes off, its exhaust has an alternating pattern of light and dark patches (see image). The bright patches in this formation are called shock diamonds, a.k.a. Mach ...

This recently published photo of an F-35B going supersonic during twilight testing is stunning. The blue-hour moment, the burning colors of the setting sun, the ragged high altitude clouds—and the ...

How fast is the gas coming out from those little duster tubes of canned air? Perhaps faster than one might think! It’s supersonic (video, embedded below) as [Cylo’s Garage] shows by imaging clear ...

In 1967, a hexagonal form of diamond, later named lonsdaleite, was identified for the first time inside fragments of the Canyon Diablo meteorite, the asteroid that created the Barringer Crater in ...

Researchers report characteristics of diamond-containing meteorites that raise the possibility of a small-planetesimal origin. Ureilite meteorites are known to contain diamonds. One hypothesis holds ...