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Rainbow reflected at sunset

To capture an image like this one, where the sky rainbow and water rainbow make a perfect circle, your timing has to be perfect.

An upside down rainbow?

Circumzenithal arcs have been described as an “upside down rainbow” or “a grin in the sky.” They’re wonderful! See photos here.

Solar eclipse safe viewing tips

If you’re planning to watch the August 21 total solar eclipse (and we hope you are!) take a minute to watch this video on how to watch safely.

Asgardia’s 1st satellite due to launch

Asgardia’s 1st satellite – Asgardia-1 – will launch aboard a NASA mission to ISS later this summer. “Asgardians” are invited to send their personal data – a photo or a file of their choosing – to space with it.

More From Latest

Expect colorful clouds from rocket launch

NASA sounding rocket to form blue-green and red clouds in space Thursday morning. Launch window opens 4:25 a.m. EDT (8:25 UTC). Backup launch day is June 30.

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.

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.