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EarthSky Voices

Would a Yellowstone supervolcano eruption end humanity now?

Yellowstone has undergone 3 massive super-eruptions in the past. If the Yellowstone supervolcano erupted today, would humanity survive?

Neptune discovered on this date 180 years ago

Read the fascinating story of the discovery of Neptune - 180 years ago - on September 23, 1846. It was the 1st planet to be discovered by using mathematics.

Earth images from space: 13 incredible photos of our planet

Look at these Earth images from space. How does it make you feel about the planet you live on and about Earth's place in the solar system and cosmos?

International Observe the Moon Night 2026 is tonight

International Observe the Moon Night is September 19, 2026. It's a global event for celebrating the moon. Here's how you can participate online or in person.

Newly formed moon crater is once-in-a-century discovery

In 2024, a space rock slammed into the moon, creating a new crater in the surface. The newly formed moon crater is about 728 feet wide and 141 feet deep.

Meteor showers are here! 10 easy tips for watching

Meteor showers are unpredictable but nothing beats them for a fun and relaxing time under the stars. Here are our 10 tips to optimize your meteor viewing time.

Distant proto-supercluster! An early intersection point in the cosmic web?

Astronomers have found the most distant proto-supercluster yet, an early collection of galaxies at a junction in the cosmic web.

If we find life beyond Earth, how will nations respond?

If we ever find life beyond Earth, how will the nations of the world respond? A group of experts give 3 possibilities: cooperation, competition and isolation.

Saturn’s south pole decagon confirmed! A mysterious 10-sided figure

Saturn’s south pole is now known to have a giant, evolving 10-sided wave, similar to the Saturn north pole hexagon. Read more about it here.

Pioneer 11: Watching the Saturn Watchers

Pioneer 11 made history 47 years ago today when it became the 1st spacecraft to fly past Saturn, revealing the ringed world up close for the 1st time.