The black hole is roughly 1,000 light-years from Earth — and more than 2,000 light-years closer than the next one known. What's more, scientists say, it may be just "the tip of an exciting iceberg."
The White House continues to say the coronavirus may have leaked from a Chinese lab. That's at odds with the assessment of the intelligence community and reminds some of the run-up to the Iraq war.
Think of how it works in a noisy bar: people raise their voices to be heard. Same for birds. With less background noise outside these days, it's likely that birds are actually singing more quietly.
Some essential workers, such as ride-share drivers and personal shoppers, are a part of the gig economy. NPR's tech correspondent takes listener questions on the benefits available for such workers.
It's just a bit of genetic material wrapped in protein and fat. But the virus behind COVID-19 can wreak havoc deep inside human lungs when it triggers the immune system to go into overdrive.
The Mosaic expedition is an international project to study the warming Arctic. For a year, scientists are taking turns living in an icebreaker, frozen alongside an ice floe in the Arctic Ocean.