Zero-gravity ballet: James Webb Space Telescope deploys sunshield and mirror
NASA's James Webb Space Telescope successfully deployed its secondary mirror Wednesday after unfolding its enormous sunshield a day earlier.
Science
The CDC resists pushback and says a test to get out of COVID isolation is not needed
Those who contracted COVID-19 can end their isolation after five days while continuing to wear a well-fitting mask for an additional five days, according to the agency.
More than 1 million Americans were diagnosed with COVID over the long holiday weekend
The U.S. hit a new record high for infections in a single day on Monday, with 1,082,549 new cases recorded. Hospitalizations are also on the rise, but not at the same rate.
Richard Leakey, whose discoveries helped prove mankind began in Africa, is dead at 77
Famed Kenyan conservationist and fossil hunter Richard Leakey has died at age 77. His discoveries helped prove Africa was the cradle of civilization.
What the numbers tell us, or don't tell us, about the omicron surge
In the midst of record high COVID case numbers in the U.S., NPR's Mary Louise Kelly speaks with biostatistician Natalie Dean about how to assess COVID metrics.
Famed fossil hunter and conservationist Richard Leakey dies at 77
Leakey made important contributions to our understanding of human origins through his fossil finds. He later gained fame for taking on poachers who threatened to wipe out Kenya's elephants and rhinos.
The FDA authorizes a Pfizer booster shot for children ages 12 to 15
The authorization comes in the midst of an explosion of COVID-19 cases nationwide driven by the omicron variant — a surge that has brought a spike in pediatric hospitalizations.
Quebec begins retail store closures amid new COVID-19 wave
Quebec proceeded with the first of three planned closures of non-essential retail stores Sunday as the government tries to curb a new wave of COVID-19 driven by the highly infectious Omicron variant.
CDC could add a negative test to its new isolation guidelines, Fauci says
The CDC recently cut the number of days it recommends COVID-positive people remain in isolation from 10 days to five, but it didn't require a negative test to leave isolation.
A pediatrician's advice to parents of kids under 5 on omicron, travel and daycare
Amid the omicron surge there is understandable anxiety among parents, particularly for those with kids under 5. Pediatric infectious disease doctor Ibukun Kalu answers some of their questions.