Mercury
Latest about Mercury
Rare Transit of Mercury, the Last Until 2032, Occurs Today! Here's What to Expect
By Elizabeth Howell published
The planet Mercury is going to cross across the sun today (from Earth's perspective) starting at 7:34 a.m. EST (12:34 p.m. GMT).
Here's the US Weather Forecast for the Monday's Rare Mercury Transit of 2019
By Joe Rao published
For those hoping to get a glimpse of Nov. 11's rare transit of the planet Mercury across the face of the sun, the weather across the United States will either be very good.
Mercury Transit 2019: The Astronomical History of This Rare Celestial Event
By Joe Rao published
Mercury Transit 2019: Here Are the Stages to Watch
By Doris Elin Urrutia last updated
Skywatchers must use special sun-viewing lenses to safely observe Mercury's transit.
Teach Your Kids About the Mercury Transit of 2019 with This NASA Guide
By Elizabeth Howell last updated
Mercury will fly across the sun (from Earth's perspective) on Monday, and NASA has a whole lot of kids' materials ready for the occasion.
The Science of the 2019 Mercury Transit: How Astronomers Will Study the Rare Celestial Event
By Nola Taylor Tillman published
On Monday, students across the U.S. will use Mercury's transit to measure the distance between Earth and the sun.
Mercury Transit 2019: Here's Why This Celestial Event Is So Rare
By Joe Rao last updated
On Monday, Nov. 11, a most unusual event will take place: the transit (passage) of the planet Mercury across the sun's disk.
A Mercury Transit for the Ages: November 1973
By Joe Rao published
In my long career as an assiduous amateur astronomer, I've seen other transits of Mercury, but one from November 1973 stands out.
Get the Space.com Newsletter
Breaking space news, the latest updates on rocket launches, skywatching events and more!