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The Super Harvest Moon overnight on October 6-7
In 2025, look for the October full moon - the Harvest Moon - on October 6. It's the first of four supermoons in a row.
October 5, 2025
International Observe the Moon Night October 4
International Observe the Moon Night is October 4, 2025. It's a global event for celebrating the moon. Here's how you can participate online or in person.
October 4, 2025
Exoplanets are worlds orbiting other stars
Exoplanets are worlds orbiting distant stars. Watch a video with an astronomer who studies them. Learn the history of our knowledge of exoplanets, and more.
October 1, 2025
The Big Dipper: Why can’t you see it now?
The Big Dipper is easy to recognize at most times of the year. But the Big Dipper in autumn rides low in the northern sky in the evening hours.
September 26, 2025
How many stars can you see on a moonless night?
Have you ever wondered how many stars are visible on a given night? It all depends on how dark your sky is, what your age is, and other limiting factors.
September 23, 2025
Deep partial solar eclipse today. Watch live here
A deep partial solar eclipse will occur on September 21, 2025. The path sweeps across the South Pacific including New Zealand and parts of Antarctica.
September 20, 2025
Our top 10 stargazing tips for beginning astronomers
If you're new to observing the night sky, check out our top 10 stargazing tips for beginners. We'll help you explore and expand your love for astronomy.
September 14, 2025
Saturn’s rings: Top tips for beginners
If you want to see Saturn's rings, September 2025 is a great time to look. Grab a telescope, find a dark sky and read the tips found here!
September 7, 2025
Total lunar eclipse of the full Corn Moon September 7, 2025
Overnight on September 7, 2025, there will be a total lunar eclipse of the September full Corn Moon visible from the Eastern Hemisphere.
September 6, 2025
What’s a globular cluster? The Milky Way has about 150
A globular cluster is a spherical collection of stars orbiting in the halo of spiral galaxies. Our own Milky Way galaxy has over 150 globular clusters.
August 29, 2025
