SpaceX has successfully tested the ejection capabilities of the Crew Dragon astronaut ferry ship from a Falcon 9 rocket Sunday morning. The 10:30 a.m. launch saw the capsule make an emergency ejection ...

Ejection fraction refers to how much blood the heart pumps out during a contraction. An abnormal ejection fraction can be a sign of heart failure. Some people might need treatment to improve their ...

This Journal feature begins with a case vignette highlighting a common clinical problem. Evidence supporting various strategies is then presented, followed by a review of formal guidelines, when they ...

CAPE CANAVERAL, Fla. — Fifteen years after Challenger disintegrated in the sky, NASA is considering a variety of escape systems--ejection seats, flyaway capsules--that could save the crew in another ...

In an effort to create needle-less administration of drugs, researchers at MIT and Novo Nordisk have taken inspiration from the jet propulsion mechanisms of cephalopods to develop an innovative ...

Pilots of World War II fighters usually bailed out by climbing on the wing and just letting go. But in this day of Mach 2 jets, not even a quick-acting ejection seat can dependably shoot the pilot out ...

These illustrations by Fred Freeman show Wernher von Braun’s concept for a space shuttle in the 1950s. The illustrations can be found in the book Visions of Spaceflight: Images from the Ordway ...