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Impossibly starry skies over NYC

This week is International Dark Sky Week. Celebrate by watching this impossible, but magical, video of dark, starry skies over light-polluted New York City. It’s new from Project Skyglow.

Theorists describe black hole megamergers

“Binary black holes are basically like giant targets hanging out in a globular star cluster, and as you throw other black holes or stars at them, they undergo these crazy chaotic encounters.”

Tour the moon in 4K

Take a virtual tour of the moon in all-new 4K resolution – Ultra High Def – created from data provided by NASA’s Lunar Reconnaissance Orbiter spacecraft.

Cosmic cold front older than solar system

Astronomers were surprised to discover an enormous “cold front” millions of light years in extent and older than the solar system.

Earth’s magnetosphere envelops and protects us

A giant bubble of magnetism protects us from the sun’s fury. Take 3 minutes to learn about it, in this new NASA ScienceCast video.

Watch a robot fish swim in the ocean

MIT computer scientists have developed SoFi – a soft, robot fish made of silicone rubber – that can swim alongside real fish in the ocean.

The amazing feathers of an outlandish bird

The super-black feathers of Birds of Paradise absorb almost every last bit of light that strikes them. This black is so dark your eyes can’t focus on its surface.

Arctic winter sea ice extent 2nd lowest

Sea ice in the Arctic grew to its annual maximum extent last week, and joined 2015, 2016 and 2017 as the 4 lowest maximum extents on record, say scientists

Great Pacific Garbage Patch now 3 times size of France

In 2015, a mega-expedition – 30 vessels simultaneously – crossed the Great Pacific Garbage Patch and collected 1.2 million plastic samples. They say the problem is getting worse.

Jupiter’s Red Spot gets taller as it shrinks

Scientists have noticed that Jupiter’s Great Red Spot has been getting smaller over time. New evidence says the storm is getting taller – and more orange – as it shrinks.

NOAA’s 2018 US spring weather outlook

NOAA’s 3-month outlook predicts that U.S. will see moderate flooding, and warmer-than-normal temperatures.

How did turtles get their shells?

Where did turtles come from? And how did the they get their shells? The answers to these questions caused scientists to rethink the entire history of reptile evolution.

Hubble finds relic galaxy close to home

The Hubble Space Telescope looks at a very rare and odd assemblage of stars that has remained essentially unchanged for the past 10 billion years.

The most inspirational space video, ever

Worried that our human species is making a mess of things? Inspiration-less? Carl Sagan wants to tell you something.

360 video: Tour a Mars robot test lab

If your browser or smart phone is set up to view it, this 360 video will let you virtually explore a Mars simulation facility at NASA’s Jet Propulsion Laboratory, where engineers are practicing for an upcoming Mars lander mission.

Nature likes to make bow waves

Boats moving through water make bow waves. Objects in space, including Earth, make them, too. Even the moon’s shadow – penetrating Earth’s atmosphere during a total solar eclipse – creates moving bow waves.

Colorado serenade

You’ll enjoy this one. Gorgeous views of day and night skies over the Colorado River in the Grand Canyon National Park in Arizona.

Scientists expect 1st direct black hole image soon

This was the most popular post at EarthSky this week, and no wonder. It’s exciting! We’re holding our breaths for the 1st-ever direct image of a black hole’s event horizon, expected to be released in 2018.

Send your name to the sun

NASA’s Parker Solar Probe, launching this summer, will travel closer to the sun than any spacecraft yet – and you can send your name along for the ride. Hear about it from William Shatner.

Views of home

Intriguing and inspiring perspectives of our home planet from spacecraft cameras looking back at Earth.