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A galaxy made of 99.9% dark matter

Although it’s relatively nearby, Dragonfly 44 was missed for decades by astronomers because it’s very dim. But there’s more to this galaxy than meets the eye.

Where is Proxima Centauri?

You probably know by now that a planet has been discovered around the very nearest star. Guy Ottewell shows you where in space that star is.

Where’s the moon? Waning crescent

A waning crescent moon is sometimes called an old moon. It’s seen in the east before dawn.

How Earth looks from outer space

If you were looking with the eye alone, how far away in space would our planet Earth still be visible?

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Hours after discovery, asteroid swept by

Asteroid 2016 QA2 was twice as big as the space rock that entered over Russia in 2013, breaking windows in 6 Russian cities. It passed safely Saturday night.

Success for Juno’s 1st Jupiter flyby

Juno spacecraft arrived at Jupiter on July 4 and has spent some weeks in a testing mode. On Saturday, it came closer to Jupiter than any spacecraft ever has.

Your cosmic suntan

Lie on the beach, and your body is bombarded by light from our sun, and 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.

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.

61 Cygni is the Flying Star

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.