Hummer on pink

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Ruby-throated hummingbird by Ken Christison.

August 20, 2018

Moon, Saturn, Mars August 20 to 22

Saturn is considered a bright planet, but it's the faintest of them. Maybe the moon can help you spot it on August 20 or 21. As for Mars, it's still bright! Don't miss it.

Bruce McClure

August 20, 2018

We’re guinea pigs in global microplastic experiment

Microplastics are everywhere - in our water, soil, and even the air we breathe. The consequences of this exposure on human health is unknown.

EarthSky Voices

August 19, 2018

Parade of moon and planets

Last night’s lineup of Mars, Saturn, the star Antares, the moon, Jupiter, and Venus in the sky over Yuen Long, Hong Kong, by Matthew Chin.

Eleanor Imster

August 19, 2018

Curiosity finds strange object on the surface of Mars

The Mars Curiosity rover captured images of this strange object on the planet's surface on August 13. What is it? NASA scientists have figured it out.

Eddie Irizarry

August 18, 2018

Why so few galaxies in this distant region of space?

Galaxies aren't evenly distributed throughout the universe. But even so, this large region of space has far fewer galaxies than astronomers expected.

Paul Scott Anderson

August 18, 2018

Here are 7 of Saturn’s moons

Saturn has 62 moons with confirmed orbits, 53 of which have names and only 13 of which have diameters larger than about 30 miles (50 km). Here are 7 of them!

Deborah Byrd

August 18, 2018

Moon, Antares, Saturn August 18 to 20

The supergiant star Antares shines red in our sky, and the planet Saturn - glorious ringed world - shines golden. See them near the moon August 18 to 20, 2018.

Bruce McClure

August 18, 2018

We promise you won’t be eaten by a megalodon

So go ahead and get scared at the new movie "The Meg," but don't worry. Scientists have officially debunked the myth that megalodon sharks still exist.

Eleanor Imster

August 17, 2018