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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 30, 2024
Earth
Space
Earth has an asteroid mini-moon for 2 months
Heads up! Earth got an asteroid mini-moon yesterday. It'll be with us for 2 months. It's 33 feet wide. Astronomers call this little asteroid - now our littlest moon - 2024 PT5.
September 30, 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 30, 2024
Astronomy Essentials
Tonight
Visible planets and night sky guide: September and October
Visible planets and night sky guide for September 2024. Before sunup September 30 and October 1, look for the moon near comet C/2023 A3.
September 30, 2024
Earth
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
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
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 30: Happy perihelion, Parker Solar Probe!
Sun news for September 30, 2024. Sun activity is moderate with three M flares. Parker Solar Probe makes its 21st perihelion today. Its second-closest approach.
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
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