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Voyager 2: Our 1st and only visit to Neptune
On this day, August 25, 1989, Voyager 2 visited Neptune. To this day, no other spacecraft from Earth has returned to the faraway planet.
August 25, 2026
Pluto demoted to dwarf planet 20 years ago today
Pluto is the largest of many small bodies in the outer solar system. That's partly why it was demoted from major planet to dwarf planet in 2006.
August 24, 2026
Pluto’s atmosphere is thinning toward a collapse
Scientists detected that Pluto's atmosphere is thinning as it moves farther away from the sun in its orbit. Is its atmospheric collapse already happening?
August 23, 2026
1st photo of Earth from the moon 60 years ago
As NASA plans to land astronauts on the moon with the Artemis IV mission in 2028, it's fun to see this 1st photo of Earth taken from the moon.
August 23, 2026
Sagittarius the Archer is home to deep-sky wonders
The zodiacal constellation Sagittarius the Archer contains the center of the Milky Way and a famous asterism known as the Teapot.
August 23, 2026
A first! 3 supermassive black holes discovered in 1 galaxy
For the first time, astronomers have discovered 3 supermassive black holes in a single galaxy in the early universe. Two of them are merging!
August 21, 2026
Voyager 2 confirms Neptune’s rings on August 22 in 1989
NASA's Voyager 2 confirmed the discovery of Neptune's rings on August 22, 1989, when it took images of a faint, continuous ring system around the planet.
August 21, 2026
Teapot of Sagittarius points to the Milky Way’s center
As you gaze toward the famous Teapot asterism in the constellation Sagittarius, you are looking toward the center of our Milky Way galaxy.
August 21, 2026
Pyrocumulonimbus clouds are fire-generated thunderstorms
This summer, NASA has been studying pyrocumulonimbus clouds, or fire-driven thunderstorms. Researchers are flying planes right into the plumes for samples.
August 20, 2026
Astronomers discover a black hole star, a new type of object
Astronomers believe the little red dots we see in the early universe are a newly discovered type of object called a black hole star.
August 20, 2026
