Born Nov. 2, 1885, In Missouri, Harlow Shapley earned a Ph.D. from Princeton University in 1913. From 1914 to 1921, he was ...

Astronomers from the International Centre of Radio Astronomy Research (ICRAR) have released an incredible image of the Milky Way shining in low-frequency radio light, revealing a spectacular realm ...

I/ATLAS is the third interstellar object ever discovered in our solar system. Telescope observations suggest it is a roughly 7-mile-wide (11 kilometers) comet zooming at more than 130,000 mph (210,000 ...

A rare cosmic visitor, 3I/ATLAS, the third confirmed interstellar object, was discovered in July 2025. This object, on a ...

The Hubble Space Telescope was originally expected to last about 15 years in orbit, before its optical surfaces became too ...

On October 3, 3I/ATLAS passed within 29 million kilometers of Mars, where it was photographed by the HiRISE camera aboard NASA’s Mars Reconnaissance Orbiter — a rare observation of an interstellar ...

Named after the Asteroid Terrestrial-impact Last Alert System (ATLAS) survey that first detected it, 3I/ATLAS includes the “I” designation to signify its interstellar origin, indicating that it came ...

November’s night skies are grand, festive and bright in many places, quiet and contemplative in others. Both tempers are ...

I/ATLAS is set to reach its closest point to the Sun on Wednesday (October 29), at around 11:47 Universal Time (UT). The ...

A mysterious glow at the center of the Milky Way has puzzled astronomers for more than a decade. New research offers an ...

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