Mercury is a little-known, still mysterious world. But one thing is certain. Mercury, the closest planet to the sun, can't actually travel backward in retrograde, and doesn't impact us on Earth. The ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. From July 17 to Aug. 10, Mercury will appear to move ...

Over nine months from May 2025 to February 2026, astrophotographer Tunc Tezel photographed Saturn and Neptune’s rare overlapping retrograde motions, producing a NASA-featured composite image. The ...