December 4, 2021
A total solar eclipse was visible in Antarctica! Check out the recap and replay of the event. Image credit: Mathew Schwartz (2017)
Dive into the cosmic events where celestial bodies align in awe-inspiring ways. Eclipses—both solar and lunar—create dramatic moments of shadow and light, while transits, like those of planets crossing the Sun, offer rare opportunities to observe our solar system in motion. These events captivate and connect us to the rhythms of the cosmos.
November 17, 2021
During the early morning hours of November 19 or late evening hours of November 18, depending on your location and time zone, the full moon will pass through Earth's dark or inner shadow (umbra) creating a deep partial lunar eclipse.
June 10, 2021
Special recap from co-founder of The Sun Today: "I had a serenade of 17-year-cicadas! Total solar eclipses have the 360-degree sunset effect, but I had the 360-degree sunrise+cicada effect. Truly spectacular!"
May 24, 2021
Every year we get a collection of 4 to 7 eclipses somewhere on Earth, either lunar, solar, partial, or total. These eclipses come in seasons, a 35-day period with typically two eclipses sometimes three. There are usually two seasons per year. 2021 has two.
November 28, 2020
The second eclipse season of 2020 is here with a penumbral lunar eclipse & total solar eclipse...with bonus sky-watching tips!
June 19, 2020
The weekend of June 20 – 21, 2020 has a lot going on when it comes to the Sun. We get to enjoy two exciting events thanks to the orbital dance between Earth and the Moon as the move together […]
June 30, 2019
Did you miss the Total Solar Eclipse! Check out our recap & replay of the live event.
August 22, 2017
A movie of the Aug 21, 2017 lunar transit as viewed by the Solar Dynamics Observatory (SDO.) Credit: NASA/SDO The Sun appears in visible light, and 171 ångstrom extreme ultraviolet light. The movie shows the Sun moving a bit because […]
August 21, 2017
For the first time since 1979, the contiguous United States will be treated to a total solar eclipse. Even more exciting, the path of totality across the USA starts in Oregon and ends in South Carolina.
June 20, 2017
Happy June Solstice 2017! The beginning of summer for the northern hemisphere and winter for the southern hemisphere. Oh, and it is two months until the August 21, 2017 total solar eclipse! The June Solstice comes on June 21, 2017 […]
May 8, 2016
The planet Mercury will move in front of the sun, May 9, 2016, starting around 7:15 a.m. EDT and ending around 2:45 p.m. EDT. It can be seen from the ground with special solar viewing equipment however, the best way to […]
March 7, 2016
The moon will pass in front of the sun, casting its shadow over much of Southeast Asia on March 8, 2016 EST (March 9 local time). Get details & watch live!