Firefly Aerospace's run of bad luck has continued after the first stage of its Alpha Flight 7 rocket was lost during testing. By "lost," we don't mean "dropped down the back of the sofa," we mean ...

Using supersonic shockwaves for combustion, the groundbreaking design could allow aircraft to travel up to six times the ...

In 2016 San Antonio was the biggest city without a science and technology museum but that year the San Antonio Museum of ...

North Korean leader Kim Jong Un oversaw a ground test of a high-thrust solid-fuel engine designed for long-range missiles, state media reported, marking another step in its push to further expand its ...

Kim Jong Un on Monday watched a test of North Korea’s new high-thrust rocket engine, an event that sets the stage for Pyongyang to test its newest intercontinental ballistic missile (ICBM), the ...

North Korean leader Kim Jong Un oversaw a test of a solid-fuel engine used for long range nuclear missiles, state media reported on Tuesday, marking another key step in in a weapons programme Western ...

SEOUL, Sept. 9 (UPI) --North Korean leader Kim Jong Un oversaw the test of a solid-fuel engine for intercontinental ballistic missiles, calling it a "significant change" in Pyongyang's growing nuclear ...

SEOUL, South Korea (AP) — North Korea said Tuesday it had conducted the final ground test of a solid-fuel rocket engine for a long-range ballistic missile in its latest advancement toward having an ...