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Interstellar comet 3I/ATLAS shows comet tail in new image
Astronomers captured images live from the Gemini South telescope control room in Chile, and they showed a comet tail for 3I/ATLAS.
September 7, 2025
Mystery of fastest white dwarfs solved?
Astronomers have identified why the fastest white dwarfs in the Milky Way are so speedy. They are ejected by supernova explosions after 2 white dwarfs collide.
September 7, 2025
Total lunar eclipse of the full Corn Moon September 7, 2025
Overnight on September 7, 2025, there will be a total lunar eclipse of the September full Corn Moon visible from the Eastern Hemisphere.
September 6, 2025
Is Earendel the most distant star? Or a star cluster?
A new study using the James Webb Space Telescope shows that Earendel - thought to be the most distant star known - might be a cluster of stars.
September 5, 2025
Meet Pismis 24, a glittering hotbed of star birth
NASA has released an incredible image of Pismis 24, a sparkling cluster of star formation. It's one of the nearest sites of massive star birth.
September 5, 2025
Rare Chi Cygnids are active! Maybe. Observing info here
The Chi Cygnids are a September meteor shower that shows increased activity every 5 years. And 2025 is one of those years! Observing info here.
September 4, 2025
Artificial photosynthesis breakthrough! Solar fuels to come?
Scientists have developed a new molecule that might bring artificial photosynthesis - and clean, sun-powered fuels - a step closer.
September 4, 2025
Mars’ interior might contain remnants of baby planets
A new study of seismic data from marsquakes shows that Mars' interior is lumpy. The debris, deep in the mantle, came from large impacts billions of years ago.
September 4, 2025
Bizarre ankylosaur with spikes is unlike any known dinosaur
Spicomellus afer, an early ankylosaur found in Morocco, had bizarre spikes all over its body. Those around its neck reach over 3 feet (1 meter) in length.
September 3, 2025
Butterfly nebula offers clues on how Earth-like planets form
New observations of the Butterfly nebula reveal a dust torus, energetic jets, and PAH formation, providing insight into how rocky planets like Earth assemble.
September 3, 2025
