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Mars big as the moon on August 27?

This hoax circulates every August. It’s in the top 10 most-searched-for subjects at EarthSky this week. Is it true? No. Mars won’t be as big as the moon on August 27, or ever.

What are rare earth elements?

Most of us use rare earth elements every day – without knowing it. These little-known and fascinating elements make modern electronics possible.

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.

What is pareidolia?

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

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.

Carbon monoxide from California wildfires drifts east

What happens in California doesn’t stay in California. This animation, made from satellite data, shows carbon monoxide from the state’s massive wildfires drifting eastward all the way across the U.S.

What’s causing Florida’s algae crisis? 5 questions answered

Red tides and a blue-green algae outbreak are fouling hundreds of miles of coast, killing fish and driving tourists from beaches. Some causes are natural, but human actions also play a role.

Want to trick your ears?

You’ll enjoy this video of audio illusions from the guys at AsapSCIENCE. Can you understand the talking piano?

A spacecraft to touch the sun

Launch of the daredevil Parker Solar Probe – which will get closer to the sun than any spacecraft in human history – has been delayed until Sunday, August 12.

How NASA will shield solar probe from crazy heat

The Parker Solar Probe, expected to launch Saturday, will get closer to the sun than any spacecraft in human history. How will the spacecraft withstand the heat?