Ultra-faint dwarf galaxies—tiny satellite galaxies orbiting the Milky Way—have long been seen as cosmic fossils. Now, a new ...
Astronomers have discovered the edge of the Milky Way’s star-forming disk, revealing that most new stars form within 40,000 ...
Ultra-faint dwarf galaxies – tiny satellite galaxies orbiting the Milky Way – have long been seen as cosmic fossils.Now, a new study published today ...
"It is exhilarating to see 'galaxies' come out of our computer that look indistinguishable from the real thing." ...
Chinese scientists and international collaborators have used one of the largest cosmological simulations ever created to "fast-forward" the universe from the Big Bang to the present day inside a ...
An ancient comet, 3I/Atlas, which journeyed through our solar system last year, is believed to have originated in a ...
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Where does our galaxy end? At last, we might know where the Milky Way’s most important boundary lies
Astronomers have used the ages of stars to identify the point where the Milky Way’s disk becomes so diffuse that stars ...
Astronomers knew 3I/ATLAS wasn’t a local comet not long after first spotting it in July 2025. As only the third interstellar ...
The interplanetary comet 3I/ATLAS is remarkably rich in a specific type of water that contains deuterium, meaning it came ...
The James Webb Space Telescope has produced the most detailed view yet of the interacting dwarf galaxies NGC 4490 and NGC 4485, located 24 million light-years away in Canes Venatici. The infrared ...
Rare interstellar comet 3I/ATLAS is revealing clues about the early Milky Way, offering scientists a glimpse into conditions ...
An international research team led by Chinese scientists unveiled the first batch of findings of the largest-ever ...
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