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Space
Venus rings found high above planet’s thick clouds
New analysis of images taken in 2010 reveal giant Venus rings. The rings are high in the Venus atmosphere. They are ripples in the atmosphere.
August 4, 2026
Space
9 mind-blowing space facts that will shock you
Read 9 mind-blowing space facts about Earth, the sun, our galaxy and universe that will surprise and delight you. You'll be a hit at your next dinner party!
August 4, 2026
Sun
Sun news: Several bursts of sun-stuff fired from our star
Sun news August 4, 2026: Flares dropped to very low levels, but filaments put on a show with several eruptions and CMEs. Could some head toward Earth?
August 4, 2026
Astronomy Essentials
Perseid meteor shower 2026: All you need to know
The Perseid meteor shower will peak around the mornings of August 13 in 2026 And you'll have a moonless sky to enhance your meteor shower viewing.
August 4, 2026
Astronomy Essentials
Tonight
Visible planets and night sky guide for August
EarthSky's visible planets and night sky guide. Late this evening, the moon will hang near Saturn. And don't miss this week’s best sky sights in a new video.
August 3, 2026
Space
Is a giant planet orbiting Tabby’s Star? Maybe
Astronomers in the U.K. and France said this month they might have found a giant planet orbiting Tabby's Star. It might explain the star's unusual dimming.
August 2, 2026
Space
Does asteroid Nysa have 3 lobes and a moon?
The asteroid Nysa might be the first-known 3-lobed body. And the new observations also reveal a tiny moon orbiting the asteroid.
August 2, 2026
Human World
August birthstone: Peridot, spinel, or sardonyx
The August birthstone can be crystalline green peridot, colorful spinel, or banded sardonyx. Take your pick of these colorful gemstones, August babies!
August 2, 2026
Tonight
Find the Andromeda Galaxy using Cassiopeia
Leave the city behind this weekend, and go galaxy-hunting! Cassiopeia - one of the easiest constellations to identify - points the way to the Andromeda Galaxy.
August 2, 2026
Space
Star formation in Andromeda – our neighbor – is winding down
Star formation in Andromeda - the giant spiral next door to us - is winding down, astronomers say. And it could be related to a nearby dwarf satellite galaxy.
July 31, 2026
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