Mercury
Latest about Mercury
Mercury Transit of the Sun on May 9: How to See It and What to Expect
By Geoff Gaherty last updated
On Monday (May 9), you will have an opportunity to witness one of the rarest astronomical events: a transit of Mercury across the face of the sun. Here's what to expect.
Shallow Craters on Moon and Mercury May Hide Thick Slabs of Water Ice
By Meghan Bartels published
Would-be moon explorers are eager to learn better tactics for tracking down ice, which they hope to turn into water and rocket fuel — and new research may have found a new key to spotting buried ice.
See the Elusive Planet Mercury in the Dawn Sky This August
By Joe Rao published
If there ever was a planet that I feel has gotten a bad rap for its inability to be readily observed, it would have to be Mercury, known in many circles as the "elusive planet."
The First Flight: Wright Flyer
By Jeremy Hsu published
The 1903 Wright Flyer that made history's first flight was a relatively simple machine with propellers and wire controls.
Tiny Mercury May Have a Solid Metallic Core That Rivals Earth's
By Meghan Bartels published
A solid metallic core nearly as large as Earth's might be lurking deep within the solar system's smallest planet.
Surprise! Dust Ring Discovered in Mercury's Orbit
By Mike Wall published
Mercury shares its orbit with a ring of wandering dust, and a cloud of as-yet-undiscovered asteroids likely gave rise to a similar ring in Venus' neighborhood, recent research suggests.
Elusive Planet Mercury Is Not So Elusive in the Sky This Month
By Joe Rao published
Once again, it is time to seek out what has often been called the most difficult of the five brightest naked-eye planets to see: Mercury.
Get the Space.com Newsletter
Breaking space news, the latest updates on rocket launches, skywatching events and more!