BOCA CHICA BEACH, Texas — SpaceX launched Starship for its ninth test flight on Tuesday night, which also marked for the first time that a Super Heavy booster was reused for a second time. However, ...

If the history and symptomatology suggest dry eye syndrome (DES), the diagnosis is confirmed by objective testing for signs of DES. Historically, the Schirmer test (named after the German ...

Reviewing tablets is a more complex process than one would expect. It requires a systematic approach to evaluating each device's features and capabilities. Analyzing each feature involves following a ...

If it feels like everyone is getting the flu, you're not imagining it. This is shaping up to be another severe flu season. That's why it's important to take advantage of every tool we have to keep the ...

Experts say gait speed, grip strength, balance, and endurance are some of the strongest predictors of long-term independence. Here’s how to check them yourself—and what the results mean. Balancing on ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

Gerard Baker proposes that “Biased Media Needs a Complete Culture Change” (Free Expression, Oct. 21). He’s half right: Journalists should amend their ways—by being honest about their biases. The ...

The federal government program that mailed free at-home COVID-19 tests to households is no longer active. Some insurance providers may still cover the cost of at-home tests, and free tests may be ...

"Starship’s tenth flight test provided valuable data by stressing the limits of vehicle capabilities and providing maximum excitement along the way." When you purchase through links on our site, we ...

Chinese media outlet Dongchedi conducted another massive test of driver assist systems, testing many of the same cars as it did in the highway test we we reported on this weekend. This time, the test ...