Wow! Nacreous clouds over UK this week

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Nacreous clouds - also called mother-of-pearl clouds - are putting on a show in the UK this week. Check out these photos from the EarthSky community.

Deborah Byrd

February 3, 2016

Monster gas cloud boomerangs back to us

Astronomers say the Smith Cloud will plow into the Milky Way in about 30 million years and ignite a spectacular burst of star formation.

Eleanor Imster

February 2, 2016

Moon, Saturn, Antares on February 3

Before dawn on Wednesday, let the moon introduce you to Saturn - in fact, to all five visible planets. Antares is the bright star near Wednesday morning's moon.

Bruce McClure

February 2, 2016

Cassini’s plunge through Saturn’s rings

Cassini spacecraft prepares to plunge between Saturn's rings and the planet. Plus ... learn to see Saturn. Mars Curiosity rover's newest self-portrait. And more.

Deborah Byrd

February 1, 2016

Take a colorful flight over dwarf planet Ceres

A new animation shows a simulated flight over the surface of dwarf planet Ceres, based on images from NASA's Dawn spacecraft.

Eleanor Imster

February 1, 2016

Fungi survive Martian conditions on ISS

Antarctic fungi survive Martian conditions after being strapped on the outside of the International Space Station for 18 months.

Eleanor Imster

February 1, 2016

Extremely loud, very close lightning strike

Caution! At full volume, the sound of the strike is so loud that it could damage speakers or affect hearing if headphones are used. Story and video by Peter Lowenstein in Mutare, Zimbabwe.

Peter Lowenstein

January 30, 2016

ISS and planets over New Mexico

"Excited to see there'd be a high, long ISS pass over the 5 planets. In the end I could only see 4 planets, due to the cloud cover, but still very happy with the shot."

Deborah Byrd

January 30, 2016