Such a dramatic cut to a flagship space telescope still in its prime will be felt across the mission's entire operations, ...

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Astronomers analyzing archived NASA data have stumbled upon a cosmic event unlike anything seen before—a brief but intense ...

Scientists have detected the most energetic neutrino ever observed using a deep-sea telescope. The discovery could provide ...

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In 1920, astronomers Harlow Shapley and Heber Curtis held a Great Debate. Shapley argued that the spiral nebulae were small ...

A new breakthrough in cosmic mapping has unveiled the structure of a colossal filament, part of the vast cosmic web that ...

A new study using NASA 's James Webb Space Telescope has revealed a variety of light coming from the black hole Sagittarius A* — or rather its accretion disk, the ring of rapidly spinning material ...

To make space servicing safer and more efficient, researchers created a fuel-efficient, collision-free trajectory ...