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Major companies had faced mounting pressure to stop denying or stalling authorization of coverage for treatments and prescriptions.

The Vera C. Rubin Observatory will make the study of stars and galaxies more like the big data-sorting exercises of contemporary genetics and particle physics.

Proponents say that manually stimulating acupressure points can ease a variety of maladies.

Using crowdsourced data from shore cleanups, researchers found that areas that enacted plastic bag bans or fees had fewer bags littering their lakes, rivers and beaches than those without them.

His research unraveled mysteries about the solar system and the demise of the dinosaurs. In retirement, he turned his attention to the Holocaust.

As the Vera C. Rubin Observatory surveys the night sky, astrophysicists expect to unlock the secrets of dark matter, dark energy and cosmic phenomena that go "bang!"

Breakthroughs in pure mathematics can take decades. A new Defense Department initiative aims to speed things up using artificial intelligence.

The Starship experienced a "major anomaly" before starting its 10th flight test. Elon Musk's giant moon and Mars rocket has a mixed record of success.

Limits on travel and visa appointments have delayed or prevented foreign doctors from entering the country for jobs set to begin in weeks.

The drug could change the course of the AIDS epidemic. But the Trump administration has gutted the programs that might have paid for it in low-income countries.