Affichage des articles dont le libellé est EarthSky. Afficher tous les articles
Affichage des articles dont le libellé est EarthSky. Afficher tous les articles

Killer whales and dolphins hunt together in a rare alliance

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Killer whales and dolphins have been spotted hunting together. Here’s a dolphin (top) with a pod of northern resident killer whales. Image ...

Forms of aurora: Arcs, curtains, corona and more

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View at EarthSky Community Photos . | Joel Weatherly in Edmonton, Alberta, Canada, captured this view looking straight overhead at an auro...

See the best northern lights photos of 2025

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Watch a video of some of the best northern lights photos of 2025, from Capture the Atlas’s annual contest! EarthSky’s 2026 lunar calendar ...

Polar bear DNA changing in response to climate change

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According to new research, polar bear DNA might be changing to help these creatures adapt to a changing climate. Image via Hans-Jurgen Mage...

Apollo 17 – last human footsteps on the moon – 53 years ago

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Astronaut Gene Cernan stands on the moon on December 13, 1972. The astronauts of Apollo 17 left the moon the next day. It’s now been 53 y...

Geminid meteor shower peaks in dark skies December 13-14

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The Geminid meteor shower peaks overnight on December 13-14. It’s a great year for the Geminids! Join EarthSky’s Deborah Byrd for details. ...

This moss survived in space for 9 months

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Meet a spreading earthmoss known as Physcomitrella patens . It’s frequently used as a model organism for studies on plant evolution, devel...

Mysterious 3200 Phaethon is the Geminids’ parent object

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Artist’s concept of asteroid 3200 Phaethon. Most asteroids are rocky or metallic, and they don’t vent stuff into space. But 3200 Phaethon c...