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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
Sun
Sun news: Auroras could be on the way tonight
Sun news August 28, 2026: Fast solar wind is starting to reach Earth, with a big burst of sun-stuff due to arrive later today. Auroras are possible tonight!
August 28, 2026
Astronomy Essentials
Tonight
Visible planets and night sky guide for August and September
Visible planets and night sky guide: Tomorrow, look east to see the moon approaching Saturn in the late evening. And visit our lunar eclipse gallery.
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
Space
Fastest star in the galaxy could unlock black hole secrets
Astronomers have discovered the fastest star in the galaxy. It orbits the supermassive black hole at the center of our galaxy and could reveal its spin.
August 27, 2026
Constellations
Delphinus the Dolphin has a graceful kite shape
Delphinus the Dolphin is a tiny dolphin-shaped constellation that leaps out of dark skies near the iconic Summer Triangle.
August 27, 2026
Tonight
The Winter Circle: Catch in the morning before dawn
The majestic Winter Circle isn't a constellation. This giant circle - or hexagon - is an asterism, or a pattern made up of stars from several constellations.
August 27, 2026
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