The plane of the Milky Way Galaxy, which we see edge-on from our perspective on Earth. The projection used in ESO's GigaGalaxy Zoom project gives the impression of looking at the Milky Way from the outside.
A rooftop is covered with solar panels at the Brooklyn Navy Yard in New York last February. The Trump administration is considering whether to impose tariffs on imports of solar materials.
Microorganisms play a vital role in growing food and sustaining the planet, but they do it anonymously. Scientists haven't identified most soil microbes, but they are learning which are most common.
In one study, participants who routinely got less than seven hours of sleep were coached to extend their sleep time. They also changed their diets, without being asked — taking in less sugar each day.
Jenny Dettrick/Getty Images
Yellows, oranges and reds show regions where the average temperature from 2013 to 2017 was higher than a baseline average from 1951 to 1980, according to an analysis by NASA's Goddard Institute for Space Studies.
NASA's Scientific Visualization Studio
Aaron Hernandez (81), of the New England Patriots, lost his helmet during this play against the New York Jets in 2011. Hernandez killed himself in 2017, and researchers found that he had had one of the most severe cases of CTE ever seen in someone his age.