In the center of this image, taken with the NASA/ESA Hubble Space Telescope, is the galaxy cluster SDSS J1038+4849 and it seems to be smiling You can make out its two orange eyes and white button nose ...

Gravitational waves emitted when distant black holes collide and merge, causing the very fabric of space-time to ring like a bell, could be used to help measure the rate at which the universe is ...

A spectacular cosmic event nicknamed “SN Winny” could help solve one of astronomy’s biggest mysteries: how fast the universe is expanding. This rare superluminous supernova, located 10 billion ...

This Hubble Wide Field Camera 3 image demonstrates the immense effects of gravity; more specifically, it shows the effects of gravitational lensing caused by a galaxy cluster called SDSS J1152+3313.

For much of the twentieth century, scientists expected the expanding universe to slow over time. The opposite turned out to be true. Space is stretching faster today than in the past, and the precise ...

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NASA's Hubble Space Telescope captures an alluring image of a cosmic cluster utilizing gravitational lensing. Hubble captured the image using two of its instruments, the Wide Field Camera 3 and the ...

A new image from the Hubble Space Telescope reveals the funny things that galaxies can achieve when they huddle together. When galaxies are far enough away, the 33-year old observatory gets a sort of ...