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Spaceflight
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 29, 2024
Human World
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
Space
Can you see Comet A3 Tsuchinshan-ATLAS with the unaided eye?
Comet A3 Tsuchinshan-ATLAS has brightened enough that some report seeing it with their eye alone! Here are some tips to help you see it.
September 29, 2024
Astronomy Essentials
Tonight
Visible planets and night sky guide: September and October
Visible planets and night sky guide for September 2024. Look for the moon near comet C/2023 A3. It could become one of the brightest comets in years!
September 29, 2024
Earth
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
Sun
Sun news September 29: A calm Sun-day on our star
Sun news for September 29, 2024. Sun activity is low, with only C flares over the past day. Filaments and prominences keep up the sun fun.
September 29, 2024
Brightest Stars
Fomalhaut is the loneliest star in the southern sky
Fomalhaut is known as the “lonely one” or the "solitary one" because it shines brightly in a patch of sky with no other bright stars. In 2024, Saturn is nearby.
September 29, 2024
Today's Image
See the best Comet A3 Tsuchinshan-ATLAS images here
Check out this gorgeous photos of Comet A3 Tsuchinshan-ATLAS contributed by EarthSky community members from around the world.
September 27, 2024
Earth
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
Earth
Human World
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
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