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Astronomers spot exiled asteroid in outer reaches of solar system

This object was likely born in the Asteroid Belt between Mars and Jupiter, then flung billions of miles to the Kuiper Belt on the edge of the solar system.

Situation at Kilauea Volcano ‘steadily worsening’

A large explosion happened Friday night into Saturday at Hawaii’s Kilauea Volcano. The 1st serious injury is reported. USGS warns of the release of toxic gases in a plume called a laze, which happens when molten lava hits sea water. Latest images and videos here.

TESS planet-hunter snaps 1st test image, swings by moon

How many unseen worlds orbit these stars? The TESS planet-hunter is designed to find nearby exoplanets, between 30 and 300 light-years away.

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.

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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.

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.

You can’t walk on these cloud streets

Cloud streets are long rows of cumulus clouds oriented parallel to the direction of the wind. Check out these cool images!

How do hurricanes get their names?

The Atlantic hurricane season starts June 1 and ends November 30. Here are the hurricane names for the 2018 season.

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.

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?

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.

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.

What is a coronal mass ejection?

Want to brush up on your knowledge about these solar hiccups – CMEs, for short – that can ripple through our solar system and can interrupt satellites and power grids on Earth?

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