The Ukrainian air assault force’s rare British-made Challenger 2 tanks have joined Ukraine’s military operation in Russia’s Kursk Oblast. It’s the latest sign that the Ukrainian operation in the ...

Although fibreglass is 50% lighter than steel, the Army Trials Unit still found the concept too restrictive in missions ...

WASHINGTON — It's been 39 years since the Challenger space shuttle explosion, one of NASA's most devastating tragedies. NASA's Challenger shuttle exploded 73 seconds after lifting off on Jan. 28, 1986 ...

The seven-member crew of Space Shuttle Challenger was lost when the orbiter suffered an in-flight breakup during launch Jan. 28, 1986, 18 years ago today.

The destruction of the Space Shuttle Challenger has posed many questions over the years: Why did the spacecraft explode? Could the disaster have been averted? And what do we know about the crew's ...

It’s been 36 years since the Space Shuttle Challenger exploded after takeoff from Kennedy Space Center in Florida. Thursday marks the somber anniversary of that day, Jan. 28, 1986, when Challenger ...

The Challenger 3’s most notable advancement lies in its innovative turret and weaponry. The integration of the Rheinmetall Leopard 2 L55 A1 smoothbore cannon marks a significant upgrade, allowing the ...