News
- Planetary Science
These are the first visible-light images of Venus’ surface captured from space
Cameras aboard NASA’s Parker Solar Probe managed to peer through Venus’ thick clouds to photograph the planet’s surface.
By Nikk Ogasa - Animals
A diamondlike structure gives some starfish skeletons their strength
Electron microscope images of knobby starfish’s calcite skeletons reveal an unexpected architecture that compensates for the mineral’s brittleness.
- Health & Medicine
Omicron crushed delta in the U.S. These numbers show just how fast it happened
It took the delta coronavirus variant eight weeks to make up more than 50 percent of new U.S. COVID-19 infections, estimates show. It took omicron two.
- Paleontology
Fossils reveal what may be the oldest known case of the dino sniffles
A respiratory infection that spread to air sacs in the vertebrae of a 150-million-year-old sauropod likely led to now-fossilized bone lesions.
By Sid Perkins - Archaeology
Homo sapiens may have reached Europe 10,000 years earlier than previously thought
Archaeological finds in an ancient French rock-shelter suggest migrations to the continent started long before Neandertals died out.
By Bruce Bower - Earth
Weird ‘superionic’ matter could make up Earth’s inner core
Computer simulations suggest that matter that behaves like a mash-up of solid and liquid could explain oddities of Earth’s center.
- Paleontology
Fossils reveal that pterosaurs puked pellets
Fish scale–filled pellets found by two pterosaurs are the first fossil evidence the flying reptiles regurgitated undigestible food, like some modern birds.
- Animals
Deep-sea Arctic sponges feed on fossilized organisms to survive
Slow-moving sponges, living deep in the Arctic Ocean where no currents deliver food, scavenge a carpet of long-dead critters.
- Quantum Physics
The quantum ‘boomerang’ effect has been seen for the first time
Jostled particles return to their starting points in certain materials, an experiment reveals, confirming theoretical predictions.
- Plants
Earth may have 9,200 more tree species than previously thought
Estimating how many tree species are on Earth is an important step for forest conservation and protecting biodiversity.
By Jude Coleman - Health & Medicine
Why being pregnant and unvaccinated against COVID-19 is a risky combo
Being pregnant puts an individual at higher risk for severe illness and death from COVID-19, but vaccination has lagged among pregnant people.
- Animals
Male elephant seals aim to get huge or die trying
Males will risk death to eat and grow as large as possible, since only the biggest males mate. But females aim for long-term survival.
By Jake Buehler