All Stories
- Animals
Scientists Say: Krill
Krill are small crustaceans in the ocean. They are an important food source for other larger animals, and their tiny swimming motions can mix nutrients in the sea.
- Archaeology
Putting hats on Easter Island statues may have required some rock and roll
Fitting huge stone hats on 3-story-high Easter Island statues may have required only a small workforce armed with ropes and ramps.
- Animals
These caterpillars are scaring the city of London
The fluffy-haired larvae of the oak processionary moth have a curious behavior, moving in neat, little lines. But the caterpillars pose threats to trees and human health.
- Animals
This extinct bird boasted dinosaur-like teeth
Fossil skulls from an ancient bird shows this flyer had a beak — but dino-like chompers to chew through its prey.
- Climate
Hurricane Maria’s Puerto Rican death toll skyrockets 72-fold
The death toll had been just 64 — and then scientists launched household surveys. Those showed the “official” toll was off by more than 4,500.
- Physics
An active sun is a somewhat smaller sun
The sun grows and contracts a little over cycles lasting around 11 years, new data show. Changes in the strength of its magnetic fields may help explain this.
- Genetics
Scientists Say: Intron
These are sections of DNA that are trimmed out before the DNA is copied RNA and translated into protein. But they still have important jobs to do.
- Animals
Uh oh! New approach to saving this species imperiled it
After years separated from predators, these endangered quoll lost their fear of them. This jeopardizes the safety of any quoll released back to their home range.
- Planets
Pluto’s heart has dunes of methane ice
Pluto’s heart-shaped plains are striped with sand dunes. The sand is made of methane ice.
- Animals
Hefty dinosaurs had a trick for sitting on eggs safely
To keep their eggs warm without squashing them, some heavy dinosaurs laid eggs in a ring and sat in a space at the middle.
- Physics
To witness maximum pressure, peek inside a proton
Scientists used experimental data to estimate the pressures inside a proton. And surprise: Its mega-big — the greatest known!
- Space
Scientists Say: Nebula
Nebulae are huge dust clouds in space. Some come from dying stars. Others are places where stars are born.
