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Editors of EarthSky

How Earth feeds volcanic supereruptions

To better understand where magma gathers in Earth’s crust, researchers studied the Taupo Volcanic Zone of New Zealand, the planet's most active cluster.

Powerful jet from the wrong kind of star

Astronomers had theorized that strong magnetic fields prevent jets from forming. Then they found a strongly magnetic neutron star with a jet.

Surfer riding a rainbow

Photographer Josh Blash wrote: "I caught this surfer riding a rainbow after a storm moved off the New Hampshire coast last Wednesday."

Amazing Kilauea volcano imagery you might have missed

For more than 2 months, lava has been pouring from Hawaii’s Kilauea volcano, destroying homes and remaking the land. A compilation of photos and videos, here.

Heads up! It’s a month of eclipses

Partial solar eclipse July 13. Total lunar eclipse July 27. Partial solar eclipse August 11.

Astro festivals, star parties, workshops

Summertime is a great time for star parties, in part because, at this time of year, we can see toward the galaxy's center. Plus it's the best time to see Saturn now, and Mars will be bright this summer. Join in, and have fun!

Top 10 things about brown recluse spiders

It's their active season. Here are some things you might not know.

The colors of stars

A photographer compares the colors of the stars Rigel, Betelgeuse and Sirius.

Find Vincent van Gogh’s Big Dipper

Here's an easy astronomy lesson, from a master in the art of loving nature.

Use Big Dipper to find Little Dipper

The Big Dipper is easy to recognize, but the Little Dipper ... not so much. Here's a tip that can help.

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