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The enduring mystique of Barnard’s Star

Sometimes called Barnard’s Runaway Star, it’s one of the best known stars in the history of astronomy and in popular culture.

Where’s the moon? Waxing crescent

First quarter moon will be July 1 at 00:51 UTC. Full moon will be July 9 at 04:07 UTC.

US Southwest wildfires still burning

Across the US Southwest – amid a record-breaking heat wave – fires that started in early June continue to burn.

How much traffic on eclipse day?

Expert analysis showing how many people – and how much traffic congestion – can be expected along the path of the August 21, 2017 total solar eclipse.

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NASA’s plans for August 21 eclipse

Not traveling to the centerline of the eclipse? Expect NASA images via 11 spacecraft, at least 3 aircraft, more than 50 high-altitude balloons, and the International Space Station.

Saturday night’s extremely young moon

Photo and animation of an extremely young moon – only 18 hours past the new phase – setting over a hill last night, as seen from Rio de Janeiro, Brazil.

What’s the youngest moon you can see?

In 2013, an astrophotographer in France captured an amazing photo of the moon at the precise instant of new moon.

June 24 new moon is a supermoon

June 24 new moon occurs on June 23 for the Americas. It’s a supermoon, but not the closest one of 2017.

The eclipse is just 2 lunations away

As we approach another new moon, astronomer Guy Ottewell shares his profound understanding of lunar cycles and the coming total solar eclipse.

How to see a full circle rainbow

It’s possible to see the whole circle of a rainbow – but sky conditions have to be just right. Plus you have to be up high!

Flying with the world’s fastest bird

The peregrine falcon is the fastest bird – and in fact the fastest animal on Earth – when in its hunting dive. Amazing BBC video here.

What’s a conjunction?

EarthSky community member Tom Wildoner explains the term “conjunction” in astronomy and provides an illustration.

Where’s the moon? Waning crescent

Will you see the moon Friday morning from the Americas? Not likely. New moon will come on June 24, 2017 at 02:31 UTC.