The BepiColombo spacecraft flew less than 200 miles from Mercury's surface and photographed volcanic plains and icy craters.

Illegal gold mining has ravaged the Peruvian Amazon, leaving behind pollution and denuded landscapes. A group of miners are working with a U.S. charity to restore the forest.

Our view of the constellations has changed since they were first mapped thousands of years ago. That new perspective could also mess with your horoscope.

To reach the innermost planet in our solar system, this European space probe needs a little help from the gravity of Venus.

Mercury will visibly move across the sun this upcoming Veterans Day, the last event of its kind until May 7, 2049, making it a last-in-a-lifetime...