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Astronomy Essentials
Tonight
Visible planets and night sky guide for August and September
Visible planets and night sky guide: Tonight's moon is near Saturn. Plus Jupiter is returning at dawn. And a new 'this week's sky' video is out.
August 29, 2026
Sun
Sun news: Chunk of solar stuff delayed. Maybe today
Sun news August 29, 2026: The chunk of solar stuff from the M7 flare is running late. Arrival today. G2 storms and auroras are possible tonight!
Space
‘Jellyfish’ on Mars: Image from Curiosity rover goes viral
What is this odd 'jellyfish' on Mars? Possibilities include a cosmic ray artifact, an electronic artifact and what astronomers call a "transient phenomenon." The image went viral this week!
August 29, 2026
Space
Nancy Grace Roman Space Telescope launches Sunday!
The launch of the Nancy Grace Roman Space Telescope is scheduled for Sunday morning, August 30, from the Kennedy Space Center. More here.
August 28, 2026
Human World
Today's Image
Best eclipse photos! Nearly total lunar August 27-28
EarthSky community photos of the lunar eclipse of August 27-28, 2026. Thanks to all who submitted eclipse photos!
August 28, 2026
Space
Meet a Saturn-sized exoplanet with Earth-like temperatures
TOI-199b is a warm Saturn-sized exoplanet 330 light-years away. New observations by the Webb space telescope show there is methane in its atmosphere.
August 28, 2026
Space
Huge rift valleys on Venus hint at a still-living planet
A new study of huge rift valleys on Venus shows that they are likely younger than previously thought, and might still be geologically active today.
August 28, 2026
Clusters Nebulae Galaxies
The Wild Duck cluster, M11, a lovely open cluster in Scutum
The Wild Duck cluster, also known as M11, is an open star cluster in the constellation Scutum that appears best through binoculars or a telescope.
August 28, 2026
Astronomy Essentials
Deep partial lunar eclipse overnight
A deep partial lunar eclipse of the full Sturgeon Moon takes place on August 27-28, 2026. Will you be able to see it? Maps and details here.
August 27, 2026
Earth
Human World
Nepal flash flood nightmare: What caused it?
On August 26, 2026, a glacier collapse and landslide triggered a huge release of water. The Nepal flash flood wiped out villages and took untold lives.
August 27, 2026
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