The first black hole ever discovered still has a few surprises in store. New observations of the black hole–star pair called Cygnus X-1 indicate that…
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Each year in California, thousands of wildfires ravage hundreds of thousands of hectares of land. Deciphering how well large swaths of vegetation recover over time…
A flip-flop of Earth’s magnetic poles between 42,000 and 41,000 years ago briefly but dramatically shrank the magnetic field’s strength — and may have triggered…
Life expectancy in the United States plunged in the first half of 2020, as the COVID-19 pandemic took hold. A preliminary estimate of overall U.S.…
It was a cold, overcast Saturday morning in Salem, Ore., when Jesse Laney set out to catch a glimpse of a painted bunting. He’d heard…
In recent months, journalists and public health experts have bandied about the term “pandemic fatigue.” Though not clearly defined, the general gist is that people…
By now, most people have gotten the message that wearing a face mask is one way to help stop the spread of COVID-19. But now…
Flight isn’t easy at the edge of space. But tiny “microfliers” could soar high in Earth’s atmosphere fueled only by sunlight, experiments suggest. At heights…
Are you going to be free on Sunday, February 24, 2021? If so, then you might want to think about trying to earn quick cash…
Researchers are getting the first real-world hints that a vaccine can curb the coronavirus’s spread, not just prevent people from getting seriously ill. People vaccinated…