Comets without tails, called dark comets, are a newly discovered space object. Now, astronomers know they come in 2 classes.

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

"Our Sun (Sol) is marked by a black hexagon, and its orbital path is indicated by a grey solid line (top row only). Alpha Centauri's location and path are shown by a yellow star and a solid blue line ...

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

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 ...

They form part of our solar system’s largest volcanic region—the Tharsis volcanic ... One leading theory suggests Gale Crater ...

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

NASAs Perseverance rover has collected a historic rock sample dating back to the Noachian era on Mars. This discovery could ...

These popular astronomy questions, answered by Astronomy magazine, will help you better understand our universe - and share ...