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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
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
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
Detecting whispers from the early universe … from the moon
A tiny UK satellite called CosmoCube is to listen for signals from the early universe. It will use the dark side of the moon to block out noise from Earth.
August 20, 2026
Voyager 2 spacecraft launched 49 years ago today
Voyager 2 realized the vision of what was originally called a Grand Tour of the outer solar system. It is the only craft that has visited all 4 outer planets.
August 20, 2026
Super-Earths might be solid deep on the inside
Super-Earths might be solid in their deep insides, a new study says. Minerals might take unusual forms and remain solid despite the intense heat and pressure.
August 19, 2026
1st ultra-faint Milky Way satellite galaxy found by Rubin
The Vera C. Rubin Observatory has only just begun its survey, yet it has already discovered its first ultra-faint Milky Way satellite, Aquarius IV.
August 18, 2026
A moon for Mars! Asaph Hall finds Phobos 149 years ago
On this date in 1877, astronomer Asaph Hall discovered a moon for Mars: Phobos, the larger of 2 moons. He discovered the other moon, Deimos, later that year.
August 17, 2026
