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January birthstone: The colorful garnet gemstone
Garnets, the January birthstone, are often thought to be red gemstones. But they also come in yellow, green, orange, brown and black.
January 3, 2024
Mighty earthquake rocks Japan. Coastal areas evacuated
Mighty earthquake rocks Japan! The earthquake measured magnitude 7.5 according to USGS. It struck Japan on Monday afternoon, local time, prompting strong tsunami warnings.
January 1, 2024
Lenticular clouds look like UFOs
Lenticular clouds look like UFOs. See photos of lenticular clouds in various parts of the world, from the EarthSky community.
January 1, 2024
Why aren’t the hottest days on the solstice?
June solstice 2023. It's the longest day for us on northern Earth, but the hottest days for the Northern Hemisphere are still to come. Why is that?
January 1, 2024
Wow! Polar stratospheric clouds spotted across the UK
Polar stratospheric clouds - also called nacreous clouds or mother-of-pearl clouds - have been putting on a show this week. Check out these beautiful images.
December 22, 2023
Solstices and equinoxes in a video from space
See how sunlight falls on Earth's surface during the solstices and equinoxes, and get a better understanding of why Earth's tilt causes the seasons.
December 21, 2023
Rare bird is half-male, half-female. See the video
See the 1st video of a rare bird - a half-male, half-female honeycreeper - along with photos. And learn about this condition, called bilateral gynandromorphism.
December 20, 2023
Iceland volcano erupts! See a livestream here
After weeks of earthquakes, an Iceland volcano began erupting powerfully on December 18, 2023. It was a bigger eruption than volcanologists had predicted!
December 19, 2023
Birds with backpacks to help study Earth’s atmosphere
Birds with backpacks: a new study from NASA's 'Internet of Animals' shows that high-flying great frigatebirds can provide detailed sampling of the atmosphere.
December 17, 2023
Emperor penguins: A report from the Antarctic
EarthSky friend Eliot Herman took a trip to the Antarctic, where he had the opportunity to see emperor penguins. Read his report and enjoy his amazing images.
December 15, 2023
