April 25 was the day astronomers said goodbye to the old Milky Way they had known and loved and hello to a new view of our home galaxy. NPR describes the first day of CCCA's Gaia workshop.
As a major new catalogue of our galaxy's stars from the Gaia space mission reverberates through the scientific community, astronomers are rushing to make revolutionary discoveries through such efforts as a dawn-to-dusk data hack-a-thon at the Flatiron Institute's Center for Computational Astrophysics.
A study of two-billion-year-old salt found that the rise in oxygen that occurred about 2.3 billion years ago, known as the Great Oxidation Event, was much more substantial than previously indicated: "Instead of a trickle, it was more like a firehose."
A small fleet of long-range autonomous underwater vehicles will collect and archive seawater samples automatically, enabling scientists to track and study ocean microbes in unprecedented detail.
She is being recognized for revitalizing the theory of massive gravity, which revolutionized our understanding in the nature of gravity and the fundamental evolution of the universe.
Nearly 20 years in the making, the Wide-Field Infrared Survey Telescope, or WFIRST, was being designed to investigate the mysterious force dubbed dark energy. But it is in danger of being canceled: President Trump's proposed NASA budget zeroes it out.