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For the sixth year in a row, the number of U.S. births fell in 2020, reaching the lowest level since 1979. The fertility rate remains "below replacement" — the level needed to compensate for deaths.
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NOAA is updating its definition of what a "normal" Atlantic hurricane season looks like, based on the last 30 years. The average number of hurricanes in the new normal has risen from 6 to 7.
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India is the world's biggest vaccine producer. It's also where the coronavirus is now spreading fastest. Infections are surging across South Asia.
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Scientists have found that two-way communication is possible with someone who is asleep and dreaming. Specifically, lucid dreaming — dreaming while being aware you're dreaming.
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The Food and Drug Administration typically follows the advice of its expert advisers. A quick agency decision on the Johnson & Johnson vaccine is expected given the state of the pandemic.
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Some evangelical circles have incubated and spread conspiracy theories for years. It's part of a movement called Christian nationalism that researchers call a threat to American democracy.
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The vaccine did better at preventing disease in the U.S. – 72% — and less well in South Africa – 57% efficacy. The efficacy seen in Latin America was 66%.
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"For the first time in history, nuclear weapons are going to be illegal in international law," says Elayne Whyte, who oversaw the treaty's creation.
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Almost 150,000 people in India have died from complications of COVID-19, behind only the U.S. and Brazil. India plans to begin inoculating its population of 1.4 billion this month.
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A 90-year-old woman from Coventry received the first vaccine shot as part of the United Kingdom's nationwide immunization campaign launched Tuesday.