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Are the Andromeda and Milky Way galaxies already merging?
Researchers studying the fastest stars in the Milky Way galaxy believe some of them may come from the nearby Andromeda galaxy.
October 1, 2024
Sun activity archive for October 2024
Sun activity archive for October 2024. A daily record of flaring, big filaments and prominences, and other sorts of activity, on our local star.
October 1, 2024
LIVE MONDAY: SpaceX and Space Race 2.0 with Eric Berger
Join EarthSky's Dave Adalian LIVE at 12:15 p.m. central (17:15 UTC) on September 30. He'll be chatting with Eric Berger, senior space editor at Ars Technica.
September 30, 2024
Lifeform of the week: Axolotls, the key to eternal youth?
The axolotl is a spectacular, forever-young amphibian. It never loses its tadpole tail and can regenerate not only its limbs or tail, but also its organs!
September 30, 2024
Biobots are a 3rd state between life and death
Biobots are tiny, multicellular robots powered by living cells to perform tasks, and they're a third state between life and death.
September 29, 2024
An uncommonly strong atmospheric river in Pacific Northwest
A powerful atmospheric river swept through the Gulf of Alaska in September 2024. The storm made landfall as Category 5, the highest tier on the scale.
September 29, 2024
Octopuses punch unruly fish on group hunts
Scientists studying hours of footage of octopuses and fish hunting together found that octopuses punch the uncooperative fish and are the leaders of the hunt.
September 27, 2024
Hurricane Helene made landfall in Florida as a Category 4
Hurricane Helene hit Florida as a category 4 storm near Perry. The storm surge has washed away homes and winds have caused power outages. More here.
September 27, 2024
Light pollution affects fish even into the next generation
A new study showed fish exposed to light pollution at night exhibited anxiety-like behavior, and the lighting even affected the next generation of fish.
September 27, 2024
Exploring Mars’ Grand Canyon, plus a UFO camera for Mars
Researchers in Germany are developing a new mission to explore Mars' Grand Canyon with a swarm of robotic drones, plus search for UFOs in Martian skies.
September 26, 2024
