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The NASA/ESA Hubble Space Telescope has captured in intricate detail the beautiful petal-like shells of galaxy PGC 6240, set against a sky full of distant background galaxies. This cosmic bloom is of ...

A new image from the Dark Energy Camera peels back the layers of a “galactic onion” whose shells extend 150,000 light-years across space. When you purchase through links on our site, we may earn an ...

The glowing object in this Hubble Space Telescope image is an elliptical galaxy called NGC 3923. It is located over 90 million light-years away in the constellation of Hydra. NGC 3923 is an example of ...

Not too long ago, galaxy PGC 6240, shown in a Hubble Space Telescope image, probably slammed into another huge swirl of stars, gas and dust. Such a cosmic crash would have shot ripples of energy ...

MR. G. W. WALKER tells me that he has sent to NATURE his interesting problem of the mutual attraction between two uniform concentric hemispherical shells, bounded by a common diametral plane. The ...

PGC 6240 is an elliptical galaxy that resembles a pale rose in the sky, with hazy shells of stars encircling a very bright centre. Some of these shells are packed close to the centre of the galaxy, ...