News
- Cosmology
Astronomers may have seen a star gulp down a black hole and explode
It took sleuthing through data collected by a variety of observatories to piece together the first firm evidence of a theorized cosmic phenomenon.
- Animals
Some wasps’ nests glow green under ultraviolet light
Some Asian paper wasps’ nests fluoresce so brilliantly that the glow is visible from up to 20 meters away.
- Life
Fires may have affected up to 85 percent of threatened Amazon species
Since 2001, fires in the Amazon have impacted up to about 190,000 square kilometers — roughly the size of Washington state.
- Anthropology
Stone Age humans or their relatives occasionally trekked through a green Arabia
Hominids periodically inhabited ancient Arabia starting around 400,000 years ago when lakes temporarily formed as a result of monsoons, a study finds.
- Animals
Streetlights, especially super bright LEDs, may harm insect populations
Greenery under streetlights housed half as many caterpillars as darker areas did, researchers found.
- Health & Medicine
These charts show that COVID-19 vaccines are doing their job
COVID-19 shots may not always prevent infections, but for now, they are keeping the vast majority of vaccinated people out of the hospital.
- Astronomy
New ideas on what makes a planet habitable could reshape the search for life
New definitions of “habitable worlds” could include planets with global oceans under a steamy hydrogen atmosphere or exclude ones that started out habitable but lost all their water.
- Life
An incredibly resilient coral in the Great Barrier Reef offers hope for the future
At more than 400 years old, a massive coral off the coast of Australia has endured as many as 80 cyclones and 99 bleaching events.
- Animals
Female hummingbirds may sport flashy feathers to avoid being harassed
Some female white-necked jacobin hummingbirds boast bright blue plumage that’s similar to males. The colors may help females blend in to avoid attacks.
- Physics
Physicists caught protons ‘surfing’ on shock waves
A laser experiment could help scientists understand how protons reach high energies traveling through the cosmos.
- Paleontology
This big-headed pterosaur may have preferred walking over flying
The most intact fossil of a tapejarid pterosaur ever found yields new insight into how the ancient reptile lived.
- Anthropology
Ancient DNA shows the peopling of Southeast Asian islands was surprisingly complex
Ancient DNA from a hunter-gatherer skeleton points to earlier-than-expected human arrivals on Southeast Asian islands known as Wallacea.
