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Flecks of Extraterrestrial Dust, All Over the Roof
A jazz musician from Norway hunted bits of cosmic debris for eight years and found it everywhere. Turns out, tons of it land every day.
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A jazz musician from Norway hunted bits of cosmic debris for eight years and found it everywhere. Turns out, tons of it land every day.
By WILLIAM J. BROAD
Images of a hot-pink lake in Melbourne have taken over the internet this week. The coloration is the result of a salt-loving microbe’s attempt to make its own sunscreen.
By JOANNA KLEIN
With its sharp vision and unique hunting strategy, the robber fly is an imposing aerial predator.
By STEPH YIN
In photographs by NASA’s Cassini spacecraft, the closest images ever taken, the tiny, wrinkly moon has a deep ridge that could be a couple of miles high.
By KENNETH CHANG
Scientists used a genetic test to discover that the ancestors of Aboriginal Australians arrived 50,000 years ago and spread along the coastlines.
By CARL ZIMMER
The search for the Malaysia Airlines jetliner helped create 3-D maps of the ocean’s topological complexity, at a level of detail never before achieved.
By NICHOLAS ST. FLEUR
The president has spoken often about climate change, energy, coal and wind turbines. His statements are often provocative but not always consistent. A sampling.
By JOHN SCHWARTZ
Beaked whales, like those filmed in the Azores in 2013, spend much of their time deep underwater, which makes study difficult.
By JOANNA KLEIN
Dr. Carlo Croce was repeatedly cleared by Ohio State University, which reaped millions from his grants. Now, he faces new whistle-blower accusations.
By JAMES GLANZ and AGUSTIN ARMENDARIZ
Far away, in a constellation called Sculptor, astronomers have glimpsed the universe’s oldest dust. It’s 13.2 billion years old.
By DENNIS OVERBYE
About 38,000 years ago, archaeologists say, some of Europe’s earliest modern humans were making art that evokes the pointillism of Georges Seurat.
By JOANNA KLEIN
A study suggests it became advantageous to lose a shell’s encumbering protection while gaining the speed and agility to evade predators and catch prey.
By NICHOLAS ST. FLEUR
A study that examined domesticated trees and plants, including in areas near archaeological sites, supports the idea that indigenous humans helped shape the forest.
By NICHOLAS ST. FLEUR
Frogs and salamanders, wakened a bit sooner than usual this year, are walking to their mating areas. Volunteers help many make it past perilous traffic.
By JOANNA KLEIN