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Scientists identify mysterious killer of millions of sea stars
Densovirus is the likely culprit behind sea-star wasting disease, which has killed millions of sea stars along North America's west coast.
December 1, 2014
Wisdom is back!
World’s oldest known albatross - at least 63 years old - has been seen with her mate for the first time this mating season at Midway Atoll.
December 1, 2014
Days of darkness this December? Of course not.
Heard the rumor that "NASA says" Earth will experience several days of total darkness in December 2014? Not true, of course.
December 1, 2014
Super-Earth transit detected from the ground
The astronomers say their technique should let others make ground-based characterizations of dozens of super-Earths, expected to be found in space surveys.
December 1, 2014
What happened when the comet swept past Mars
The story you've been waiting for. The spacecraft images are fascinating, and the details of Comet Siding Spring's exceedingly close pass of Mars might surprise you.
December 1, 2014
Night-shining cloud season begins in Antarctica
Noctilucent clouds - aka night-shining clouds - are thought to be made of ice crystals that form on fine dust particles from meteors.
December 1, 2014
Bar-headed geese in India
A beautiful shot of bar-headed geese - one of the world's highest flying birds - over a wetlands in India in November 2014. Photo by Abhinav Singhai.
November 30, 2014
Using supermassive black holes to measure cosmic distances
"Eye of Sauron" is a nickname for an active supermassive black hole at the core of a distant galaxy. Researchers measured its distance at 62 million light-years.
November 29, 2014
NASA is tracking a gargantuan iceberg, escaped from Antarctica
After six months of winter darkness in Antarctica, NASA has re-acquired satellite images of the huge iceberg B31.
November 28, 2014
