While it is already dimming after a close encounter with the sun, Comet C/2024 G3 (ATLAS) – also called the Great Comet of ...

For this, astronomers used two facilities: the Submillimeter Array (SMA), CfA's eight-dish collection of radio telescopes in ...

For the first time, astronomers have imaged dozens of belts around nearby stars where comets and tiny pebbles within them are ...

Photographers have been sharing their photographs of Comet G3 (ATLAS), which burned bright during January in the southern ...

Harvard and Smithsonian (CfA), and its Submillimeter Array (SMA), were critical for identifying a cache of belts surrounding other stars beyond the sun where comets may reside. Regions around 74 stars ...

Comets are unpredictable, fleeting visitors in our sky, and C/2024 G3 (ATLAS) was no exception. This January, it graced the ...

Dogs are vying for the big prize — best in show — at the United States' most prominent canine competition: the Westminster ...

A mysterious object that looked vaguely like a comet or a meteor was seen soaring over night skies in the southwestern U.S., ...

NASA STEREO-A satellite's SECCHI/HI-2 camera captured this imagery of Comet C/2021 A1 (Leonard) Credit: Space.com | footage courtesy: NASA/NRL/B.Gallagher | edited by Steve Spaleta ...

In 1920, astronomers Harlow Shapley and Heber Curtis held a Great Debate. Shapley argued that the spiral nebulae were small and in the Milky Way, while Curtis took a more radical position that they ...