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The supply ship is named for Katherine Johnson, a Black NASA mathematician portrayed in the 2016 film. It's bringing some 8,000 pounds supplies and hardware to the International Space Station.

A man who is paralyzed can quickly perform tasks like pouring a glass of water, thanks to a mind-controlled robotic arm that conveys a sense of touch.

India's homegrown COVID-19 vaccine has been controversial because the Indian government approved its use before clinical trials showed it works. Now data is finally out.

State health officials say coronavirus cases in California remain low but have ticked up since the state reopened two weeks ago.

A CDC advisory committee is debating this issue Tuesday. Half of U.S. adults could be considered high priority, yet the initial supply is likely to be only enough for 3% to 5% of the population.

Dyson's ideas often occupied a space between science fiction and science. He helped design, among other things, a nuclear reactor that could be safely operated "even in the hands of an idiot."

California Republicans have long viewed Kevin Faulconer as someone moderate enough to win back the governor's office in the heavily Democratic state. The former San Diego mayor is now testing that theory in the recall election against Democratic Gov. Gavin Newsom.

Marijuana is hard to police. A small amount may significantly impair a novice user but not a chronic user. So, traditional tools used on drunken drivers — like breathalyzers — don’t work.

The updated guidelines make key changes to earlier language and include a new color-coded chart that divides school reopening options into four zones based on the level of community transmission.

Deb Haaland is an elected official on track to become the first Indigenous secretary of the Interior Department. For Native Americans, she is also a fierce pueblo woman whose political stances have been molded by her upbringing.