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Will you see the Humanity Star?

The debate surrounding the Humanity Star. Is it possible to see? Can you see it from your location? How to try to see it, if it’s visible, here.

Green moon on April 20, 2018? Nah

The green moon rumor started in 2016. Now it’s back. It’s a joke, y’all. We’re not going to have a green moon on April 20, 2018. This joke has its roots (ahem) in cannabis culture.

Happy birthday, Nicolaus Copernicus

Why do we love him? Because he broke open the medieval idea of an enclosed, Earth-centered universe and set us on course for a new cosmology.

Copernicus’ revolution and Galileo’s vision, in pictures

It’s not a stretch to say these astronomers fundamentally changed the way we think about our place in the universe. We can gain insights into how this profound shift unfolded by looking at their actual notes.

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Return of the young moon, and Venus

Two lovely and hopeful signs in the sky … the returning young moon and Venus. Photos here from the EarthSky community.

Hubble sees Neptune’s dark storm die

In the 1980s, Voyager 2 discovered a dark storm in Neptune’s dense atmosphere, and now the Hubble Space Telescope is tracking Neptune’s storms. More in this NASA video.

Where narwhals like to hang out

Narwhals are among the ocean’s most elusive creatures. But new research may shed light on where these enigmatic marine mammals like to congregate.

ALMA telescope spies a supermassive black hole’s spinning disk

For decades, astronomers have been talking about of galaxies with supermassive black holes at their cores. Now they say they’ve clearly confirmed a black hole’s encircling, dusty, spinning disk of gas.

Astronomers tracking close-passing asteroid 2017 VR12

2017 VR12 will pass closest to Earth – 3.76 times the moon’s distance – during the night of March 6-7. It’s a good target for radar, and amateur astronomers might catch it with small telescopes.

New study: Sea level rise accelerating

Global sea level rise has been accelerating in recent decades, rather than increasing steadily, according to a new study based on 25 years of NASA and European satellite data.

See it! Partial solar eclipse

View photos of the February 15, 2018 partial solar eclipse, which was visible from South America.

The periodic table song

The complete periodic table of elements … in song! From the guys at AsapSCIENCE, it’s their 2018 version. Enjoy.

Asteroid exploded over Russia February 15, 2013

On February 15, 2013, a small incoming asteroid created a meteor – brighter than the sun – over Russia. It exploded in the air over the city of Chelyabinsk.