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Scientists measure rise in ozone-destroying chemical
Report on CFC-11 - an illegal chemical responsible for ozone-depletion in Earth's atmosphere - now apparently on an upswing again. Meanwhile, new direct evidence the ban on CFCs is working and the ozone hole is recovering.
May 19, 2018
Shelf cloud over New York
A squall line of severe thunderstorms swept over New York City and the surrounding area last Tuesday, creating dramatic skies.
May 19, 2018
See it! Young moon and Venus
The returning moon and brightest planet were near each other in the sky the last 2 evenings. Don't miss these gorgeous photos from the EarthSky community.
May 18, 2018
Wall-E and Eva set record, snag pic
The 1st-ever interplanetary CubeSats - nicknamed Wall-E and Eva - are now on their way to Mars. They set a new CubeSat distance record on May 8. Then Wall-E turned back and grabbed an image of the Earth and moon.
May 17, 2018
What is peer review?
We’ve all heard of peer review. It gives credence to research and scholarly papers. But what does it mean? How does it work?
May 17, 2018
Meet the fastest-growing black hole
Because it sucks in so much gas, this black hole appears ultra-luminous. If it sat at the center of our Milky Way, we'd see it shining 10 times more brightly than a full moon.
May 16, 2018
Scientists discover a new type of magnetic event
They were working with spacecraft data, using a new technique to analyze it. They found a new type of magnetic event in the realm just beyond the boundary of Earth's magnetic field.
May 16, 2018
Boom!
Photographer Walter E. Elliott captured this image from Michigan's Grand Haven North Pier on May 14, 2018.
May 16, 2018
Young moon and Venus May 16-18
A beautiful sight in the west after sunset for the next few evenings ... the brightest planet Venus near the returning young moon.
May 16, 2018
Very close asteroid encounter today
Asteroid 2010 WC9 will pass at about half the moon's distance, in one of the closest approaches ever observed of an asteroid of this size.
May 15, 2018
