Earth
- Astronomy
Exoplanets need right stuff to be habitable
The elemental makeup of a star can reveal whether planets in its solar system could support sustained plate tectonics, a requirement for Earth-like life, researchers propose.
- Agriculture
Number of wild bees drops where they’re needed most
Wild bee abundance in the United States is lowest in agricultural regions, according to a new model.
- Earth
Solid inner, inner core may be relic of Earth’s earliest days
Earth’s innermost inner core may have formed billions of years earlier than previously thought, shortly after the planet’s accretion.
- Animals
Fog ferries mercury from the ocean to land animals
Scientists have traced mercury in the waters of the Pacific Ocean to animals, including mountain lions, in California.
- Climate
Why some rainbows are all red
Red rainbows are caused by the position of the sun in the sky, appearing more often during sunrise and sunset, new research finds.
- Climate
Fireworks brighten the sky but dampen the view
Fireworks and other pyrotechnics severely reduce visibility during celebrations such as New Year’s Eve and Guy Fawkes Day, researchers report.
- Climate
Ice rafts traveling farther and faster across the Arctic Ocean
Climate change may be causing Arctic sea ice to travel farther and faster than it did 15 years ago, taking pollutants and other material along for the ride.
- Physics
Uncovering the science of sand dune ‘booms’
Mechanical engineer and geophysicist Nathalie Vriend explores noises in the desert that are triggered by sand sliding down dunes.
- Animals
Algal toxin impairs sea lion memory
California sea lions that have brain damage linked to domoic acid poisoning have impaired spatial memory, a new study finds.
- Climate
Year in review: Global warming continues apace
New climate research showed that the much-discussed warming hiatus never happened, carbon dioxide levels are higher than ever and Earth is heading toward a new normal.
- Earth
Year in review: Pacific Plate slides over slick layer
Some explosive science offered a glimpse into how tectonic plates slide around Earth’s surface.
- Environment
Year in review: BPA alternatives aren’t benign
Evidence is accumulating that at least one popular alternative to bisphenol A can enter the body and trigger developmental and physiological changes.
