On 9 May Mercury passed in front of the Sun as seen from Earth. These transits of Mercury occur only around 13 times every century, so astronomers all over Earth were eager to capture the event.
Peru declared an environmental emergency on Monday in 11 Amazon jungle districts where mercury pollution blamed on unregulated gold mining is poisoning people and fish.
Last week, Mercury stole the show. Now it's Mars' turn.
On May 9, 2016, a NASA solar telescope called the Interface Region Imaging Spectrograph, or IRIS, observed Mercury crossing in front of the sun—an astronomical phenomenon known as a Mercury transit. During the transit, ...
Migration is hard on a songbird. It has a commute of thousands of miles—north or south, depending on the season—a journey that often includes a nonstop flight over the Gulf of Mexico or even along nearly the entire coastline ...
NASA astronomers working with data from the Kepler space observatory have presented the largest single crop of newly discovered exoplanets to date. It's impressive – 1,284 new planets have been announced, including around ...
The planet Mercury is seen in silhouette, lower third of image, as it transits across the face of the sun Monday, May 9, 2016, as viewed from Boyertown, Pennsylvania.
Astronomers celebrated Monday witnessing one of the highlights of the skywatchers' year, when the Sun, Mercury and Earth all lined up—a phenomenon that happens just a dozen or so times per century.
Whether fish hunt nearshore or in the open water and what prey they eat affect the amount of mercury that accumulates in them, a Dartmouth College study shows.
For the first time in 10 years, Mercury passed directly between the Earth and sun on Monday, resembling a black dot against the vast, glowing face of our star.