Those sources now rival cars and factories in emitting the chemicals that help create ozone Wildfire smoke, seen here blanketing Los Angeles in 2020, can drive up ground-level ozone pollution. E4C/Get...
Why these early memories fade remains a mystery Babies were kept calm with ear protection and a parent nearby as they underwent brain scans. 160/90 A baby’s early life has a lot of milestones: first g...
The ability helps them time their underwater dives Gray seals (one shown) are aware of their blood oxygen levels and make diving decisions accordingly, a new study suggests. Sea Mammal Research Unit, ...
Crustaceans exposed to guano moved in zigzags and ate less algae In lab experiments, Antarctic krill that smelled trouble — in the form of penguin poop — were quick to make a break for it. Gerald Cors...
New data from the DESI survey reaffirm a previous hint that dark energy may vary over time Stars swirl across the sky in this time-lapse photo of the Mayall Telescope at Kitt Peak National Observatory...
The robot can take flying leaps and adjust its landing — just like squirrels do A one-legged robot can hop from one narrow pipe to another and land balanced, like a squirrel leaping between branches. ...
Budgerigar’s language centers use a “vocal keyboard” that’s surprisingly humanlike Specific nerve cells in budgerigars’ brains allow the parrots to combine different elements of sounds, a new study sh...
This is the second study in six months to find planets around Barnard’s star Four small, probably rocky planets orbit Barnard’s star (illustrated). The planetary system is the nearest one to the sun c...
A planned eight-day mission turned into months aboard the International Space Station The capsule carrying American astronauts Butch Wilmore and Suni Williams splashed down off the coast of Tallahasse...
The clearest pictures yet of the newborn cosmos strengthen the prevailing model of the universe but deepen a mystery about its expansion rate. Measurements of this rate, known as the Hubble constant, ...
Introducing new koalas to mate with would help reduce inbreeding, but could also bring in the disease Some koalas (Phascolarctos cinereus) living in the Sydney metro area are isolated from other koala...
Iguanas floated to Fiij from North America 30 million years ago The ancestors of Fiji’s iguanas, such as the Fijian crested iguana (Brachylophus vitiensis, shown here), may have arrived in the islands...
