The M163 Vulcan Air Defense System played a critical role in bridging the gap between World War II-era anti-aircraft guns and modern missile-based air defense systems.

AMOS YADLIN is Founder and President of MIND Israel. He is a retired Major General in the Israeli Air Force and served as the ...

The remains of extinct Homo erectus dredged from the seabed off Java, along with thousands of animal fossils, are revealing a long-lost ecosystem.

As the first operational Mach 2 bomber, the B-58 pushed the boundaries of aerodynamic design, propulsion, and avionics, ...

The ash cloud above Mount Lewotobi Laki-laki on Monday was about four times taller than the one produced by an eruption there ...

Balin Miller has started to make a name for himself. Miller, a 23-year-old from Anchorage, has completed a string of hard ice climbs and solo climbs not only here in Alaska but also in Canada and ...

This year’s Tour route features a multitude of difficult stages that could spell doom for any yellow jersey hopefuls ...

It might be another conspiracy theory, but the saga of the lost Soviet cosmonauts has persisted for many years, largely ...

Mountain goats, the fearless climbers of the natural world, are known for scaling dizzying heights, sometimes reaching up to 13,000 feet. But why do they take such incredible risks? These high ...

As the astronomers studied the young star system, which lies 307 light-years away in the deep southern sky, they spotted the formation of high-altitude clouds around the planet.

The wide world beckons in Bach’s exultant ritornello that gambols over a well-worn bass line path to gain seemingly endless vistas of possibility and promise.

They originated in the early 20th century thanks to research on high-altitude baking done by Inga Allison, then a professor at Colorado State University.