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Your cosmic suntan

Lie on a beach, and your body is bombarded by sextillion photons of light per second. Most come from the sun, but some come from beyond our galaxy.

Photos and video of Venus and Jupiter!

August 27, 2016 was the conjunction of Jupiter and Venus. Sky’s 2 brightest planets. Closest conjunction of any 2 planets in 2016.

4.8-magnitude earthquake in Wyoming

The August 27, 2016 Wyoming earthquake took place at 2:47 p.m. Mountain Daylight Time (2047 UTC). Many reports of shaking.

Juno soars closest to Jupiter August 27

The Juno spacecraft will be about 2,500 miles (4,200 km) above Jupiter’s swirling clouds. No other spacecraft has ever orbited Jupiter this closely.

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Have we been wrong about life’s origin?

For 90 years, science’s favorite explanation for the origin of life has been the “primordial soup”. But recent research adds weight to an alternative idea.

Star of the week: 61 Cygni

61 Cygni isn’t bright. But it moves exceptionally rapidly against the background of more distant stars. Its motion reveals its nearness to Earth.

Seeing things that aren’t there

Seeing animals in clouds, or a face in the moon, are examples of pareidolia. Look here for photos to test your own ability to see things that aren’t there.

Watch SpaceX Dragon depart ISS Friday

Live coverage Friday of cargo ship’s departure from International Space Station. Begins at 5:45 a.m. EDT (9:45 UTC).

Today in science: Great Moon Hoax

A series of 6 newspaper articles in 1835 about the discovery of life on the moon (including bat-men and unicorns), supposedly made by famous astronomer.

Proxima Centauri’s awesome new planet

The newly found planet for Proxima Centauri, our sun’s nearest neighbor among the stars, is revealed as the closest possible abode for alien life.

Mars and Saturn put on a show

See Mars, Saturn and the star Antares in a line on our sky’s dome. Photos here from the EarthSky community. Thanks to all who posted!

A new normal for Arctic sea ice?

“A decade ago, this year’s sea ice extent would have set a new record low …Now, we’re kind of used to these low levels of sea ice – it’s the new normal.”

Strong earthquakes rock Italy overnight

Dozens reported killed, and over 150 missing, in the earthquakes that shook Italy in the early morning of August 24. Searches ongoing.