A new study examines how much material from the closest star system to Earth will end up in orbit around the Sun, and how ...

A unique dataset of Type Ia supernovae being released today could change how cosmologists measure the expansion history of ...

Astronomers spent a decade compiling this special image with the Hubble Space Telescope and then stitched together 600 photos to showcase over 200 million stars.

It’s neither fast nor food, but a spectacular object called HH 30 looks appetizing for astronomers in a new image from the ...

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 ...

Fast-moving stars zooming through our galaxy might have been slingshotted from a black hole inside the neighbouring Large ...

For over a decade, the Hubble Space Telescope meticulously observed our closest galactic neighbor, capturing over 1,000 ...

NASA’s NEO Surveyor has passed its critical design review, clearing the way for construction and testing. This infrared ...

After hundreds of hours of observations, researchers captured a highly detailed image of a long filament of the "cosmic web" ...

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Astronomers trace the striking pattern to an encounter between a big galaxy and a much smaller one some 50 million years ago.

Possibly one of the best-known constellations in the northern sky, Ursa Major—or the Great Bear—contains an asterism of seven ...