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Proxima Centauri, the closest star to our sun
Proxima Centauri is the nearest star to our sun at 4.22 light-years away. It's home to at least 3 planets and has massive solar flares.
October 22, 2025
Comet Halley is the parent of 2 meteor showers
The famous comet Halley spawns both the October Orionid meteor shower and the May Eta Aquariid meteor shower. It'll return to the inner solar system in 2061.
October 17, 2025
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
