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Apollo and the moon-landing hoax

Why do people persist in denying that human beings landed on the moon?

Is the moon toxic to humans?

When the Apollo astronauts returned from the moon, the dust that clung to their spacesuits made their throats sore and their eyes water. Lunar dust is made of sharp, abrasive particles, but how toxic is it for humans?

Witness the birth of an iceberg

This iceberg broke off Greenland’s Helheim Glacier on June 22. If laid atop New York City, it’d stretch from lower Manhattan to Midtown.

Volcano discovered under fastest-melting Antarctic glacier

Antarctica’s Pine Island Glacier is melting, thanks to warming waters from below. What’s more, a recent study has discovered a volcano beneath the glacier.

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Astronomers discover 10 new moons for Jupiter

Most planets have moons, and Jupiter already had the most. Now, with these new ones, Jupiter has a whopping 79 moons altogether … so far.

Volcanic mood rings

The crater lakes at the summit of Kelimutu volcano in Indonesia change colors from day to day. The colors can change from white, green, blue and brown to black.

June 2018 ties for 3rd-warmest June on record

June 2018 continued the warming trend of the past 40 years. Plus, a word about the climate change myth that there’s been no warming since 1998.

Whoa! Flash flood footage from Utah

Amazing flash flood footage from Utah, July 16, 2018.

Listen as Saturn and its moon interact

Spacecraft observations reveal plasma waves moving from Saturn to its rings and its moon Enceladus. Researchers converted a recording of the plasma waves into an audible cosmic whoosh that you’ll enjoy.

Uranus, Neptune, Pluto: A longer view

Beloved astronomer Guy Ottewell announces his newest book.

See it! Last night’s moon and Venus

Photos from EarthSky friends around the world of Sunday evening’s spectacular moon and planet Venus, and Saturday’s moon and Mercury. Thanks to all who submitted or posted to our Facebook page! Miss then? Try again Monday.

Astronomers find ‘ghost dunes’ on Mars

Robot orbiters circling Mars have acquired images of ghost dunes. They’re pits where, scientists believe, tall crescent-shaped sand dunes once existed on this red desert world.

All you need to know: Delta Aquariid meteors in 2018

With the long-running Delta Aquariid meteor shower already in progress, and the moon in a waxing crescent phase – and gone from the sky after midnight – we’re beginning to receive meteor photos.