News
- Space
A weird cosmic flare called the ‘Cow’ now has company
Scientists have now found three similar luminous, short-lived bursts of light, part of a class known as fast blue optical transients.
- Life
More ‘murder hornets’ are turning up. Here’s what you need to know
Two more specimens of the world’s largest hornet have just been found in North America.
By Susan Milius - Genetics
Genetic risk factors for Alzheimer’s also raise the risk of getting COVID-19
People who have the APOE4 genetic variant appear to be more vulnerable to the disease, but it’s unclear why.
- Life
Neon colors may help some corals stage a comeback from bleaching
When some corals bleach, they turn bright colors. Stunning hues may be part of a response that helps the corals recover and reunite with their algae.
- Planetary Science
Meteorites might be more likely to strike near the equator
Meteorites from Antarctica have helped scientists assess the total number likely to hit Earth every year — and where they are most likely to fall.
By Shannon Hall - Archaeology
A biblical-era Israeli shrine shows signs of the earliest ritual use of marijuana
Chemical analyses reveal a residue of cannabis and animal dung on an altar from a biblical-era fortress in use more than 2,700 years ago.
By Bruce Bower - Climate
How more powerful Pacific cyclones may be fueling global warming
Increasingly strong storms in the North Pacific may be speeding up the fast-moving Kuroshio Current — which could bring more heat to high latitudes.
- Health & Medicine
Wastewater could provide up to a week of warning for a COVID-19 spike
A new study adds to evidence that sewage may serve as an early warning signal that the coronavirus has hit a community.
- Space
SpaceX’s astronaut launch marks a milestone for commercial spaceflight
Two NASA astronauts aboard the privately built Crew Dragon capsule are the first to be sent into orbit from U.S. soil since 2011.
- Space
Half the universe’s ordinary matter was missing — and may have been found
Astronomers have used fast radio bursts as cosmic weigh stations to tease out where the universe’s “missing matter” resides.
- Health & Medicine
Is the coronavirus mutating? Yes. But here’s why you don’t need to panic
Some studies claim there are new strains of the coronavirus, but lab experiments are needed to see if mutations are changing how it infects cells.
- Physics
A star shredded by a black hole may have spit out an extremely energetic neutrino
A star’s fatal encounter with a black hole might have produced a neutrino with oomph.