CAPE CANAVERAL, Fla. — SpaceX conducted the fourth test flight of its Starship launch system June 6, with both the Super Heavy booster and Starship upper stage making it back to the surface intact.

The Maintenance of Wakefulness Test (MWT) measures daytime sleepiness. It’s used to diagnose conditions like narcolepsy and to assess the effectiveness of treatment for conditions like sleep apnea. If ...

Elon Musk’s SpaceX Starship exploded into an enormous fireball on Wednesday night during a routine test for an upcoming launch, as nearby residents recalled their homes shaking from the blast. The ...

A water deprivation test checks how the body responds to several hours without water intake. A doctor may request this test to help diagnose conditions such as arginine vasopressin disorder (AVD).

The Northrop Grumman B-21 Raider was chased by an F-16 from Edwards Air Force Base during its test flight when it was caught on camera. Following its first flight from Air Force Plant 42 in Palmdale, ...

The glucose tolerance test screens for gestational diabetes during pregnancy. Typically, your doctor or medical professional will ask you to have a glucose screening test first. Depending on the ...