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Deep partial solar eclipse today. Watch live here
A deep partial solar eclipse will occur on September 21, 2025. The path sweeps across the South Pacific including New Zealand and parts of Antarctica.
September 20, 2025
Stunning moon, Venus and Regulus conjunction pics !
The EarthSky community outdid itself with these photos of the crescent moon, Venus and Regulus in the morning sky on Friday, September 19, 2025.
September 19, 2025
Astronomers propose Planet Y in depths of solar system
A team of astronomers discovered that some of the distant Kuiper belt objects have warped orbits. The best explanation they found for this is a Planet Y.
September 19, 2025
New clues about comet 3I/ATLAS revealed in older images
Researchers at Michigan State University have found earlier images of comet 3I/ATLAS not seen before. They provide new clues about this interstellar visitor.
September 19, 2025
Supernova 1181 was described in an ancient Arabic poem
Researchers discovered new evidence of Supernova 1181 in an ancient Arabic poem praising the 12th century military leader and politician Saladin.
September 19, 2025
The tally is in! 6,000 exoplanets now confirmed
NASA announced this week that it has confirmed a tally of 6,000 exoplanets, or worlds orbiting distant stars. The first exoplanets were discovered 30 years ago.
September 18, 2025
Massive eruption 74,000 years ago affected the entire globe
A massive eruption 74,000 years ago ejected volcanic material that affected the entire globe. But evidence shows people survived and adapted after the eruption.
September 18, 2025
Mount St. Helens is not erupting, USGS reassures public
Mount St. Helens is not erupting. On September 16, 2025, locals saw a ghost of the 1980 eruption as strong winds blew old ash into the air.
September 17, 2025
Queen ants found giving birth to 2 different species
Scientists have found that Iberian harvester queen ants lay eggs of not just their own kind, but of males from a different species.
September 17, 2025
Volcanic sulfur on Mars could have been helpful for life
Did early Mars support life? A new study shows how volcanic sulfur on Mars could have kept the planet warm and wet enough to be habitable billions of years ago.
September 17, 2025
