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Polar vortex disruption due to climate change? Or … why so cold outside?!
Arctic changes associated with global warming have increased the likelihood of disruptions in the polar vortex, which can cause cold snaps in southerly regions.
January 24, 2024
Ocean sunfish are odd, gentle giants: Lifeform of the week
Because normal is boring, we love this large and odd-looking fish. Read more about ocean sunfish, the gentle giants, and watch a video.
January 21, 2024
Can beavers revitalize California’s mountains and meadows?
Officials in California are relocating beavers (Castor canadensis) to help improve the state's mountain environment and waterways.
January 17, 2024
Houses burning in Grindavík as Iceland volcano erupts
The fishing town of Grindavík in southwest Iceland is being evacuated after lava from an Iceland volcano entered the town Sunday morning, destroying homes.
January 14, 2024
2023 was the hottest year on record, data show
A combination of greenhouse gases, El Niño and other natural variations made 2023 the hottest year on record. Learn more here.
January 12, 2024
Cloud streets: What are they? How do they form?
Cloud streets are long rows of cumulus clouds oriented parallel to the direction of the wind. See images of cloud streets here.
January 6, 2024
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
