A hundred years ago, astronomer Edwin Hubble dramatically expanded the size of the known universe. At a meeting of the ...

When you gaze up at the night sky, it’s easy to feel as though you're looking into an endless, empty canvas sprinkled with ...

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The joint NASA/European Space Agency/Canadian Space Agency James Webb Space Telescope recently observed the remnants of a dying star shedding its outer layers. The resulting colorful cloud is known as ...

“These fragments may be the remains of once-larger clouds that have been shredded by the enormous energy being released by young and massive stars, a process dubbed feedback,” says Tony Wong, who led ...

A closer look at the Helix Nebula reveals how dying stars shed material, shape space, and hint at the distant future of our ...

This image shows a collection of 25 new space images celebrating the Chandra X-ray Observatory's 25th anniversary. Starting from the upper left, and going across each row, the objects imaged are: Crab ...