Karina
Aurora mysteries unlocked with NASA’s THEMIS mission
A special type of aurora, draped east-west across the night sky like a glowing pearl necklace, is helping scientists better understand the science of...
Study rewrites the recent history of productive Cascade Arc volcanoes
A synthesis of volcanic vents on the surface and data that probes the structure and composition of the crust to a depth of 20...
A light bright and tiny: Scientists build a better nanoscale LED
A new design for light-emitting diodes (LEDs) developed by a team including scientists at the National Institute of Standards and Technology (NIST) may hold...
Uranium reveals its true nature
Most people are familiar with uranium as a fuel for nuclear power plants. And while that's the most common application, this element is also...
Fastest star ever seen is moving at 8% the speed of...
In the center of our galaxy, hundreds of stars closely orbit a supermassive black hole. Most of these stars have large enough orbits that...
Warming Greenland ice sheet passes point of no return
Nearly 40 years of satellite data from Greenland shows that glaciers on the island have shrunk so much that even if global warming were...
Fossilised 429-mln-year-old eye mirrors modern insect vision
An exquisitely well preserved 429-million-year-old eye from a marine creature that went extinct before dinosaurs even existed had vision comparable to modern-day bees and...
Ancient genomes suggest woolly rhinos went extinct due to climate change,...
The extinction of prehistoric megafauna like the woolly mammoth, cave lion, and woolly rhinoceros at the end of the last ice age has often...
Scientists discover way to make quantum states last 10,000 times longer
If we can harness it, quantum technology promises fantastic new possibilities. But first, scientists need to coax quantum systems to stay yoked for longer...
New catalyst efficiently turns carbon dioxide into useful fuels and chemicals
As levels of atmospheric carbon dioxide continue to climb, scientists are looking for new ways of breaking down CO2 molecules to make useful carbon-based fuels,...
Black silicon photodetector breaks the 100% efficiency limit
Aalto University researchers have developed a black silicon photodetector that has reached above 130% efficiency. Thus, for the first time, a photovoltaic device has...
