Determining the expansion rate of the universe, the "Hubble constant," shapes our understanding of the cosmos, its age, and its fate.

Brian Greene (Cosmic String Theory) and Astrophysicist Ethan Siegel have collaborated on a National Geographic coffee-table ...

New images show the rapidly rotating pulsar of the "Guitar Nebula" shooting out a gigantic cosmic plume of plasma, X-rays and ...

A glowing nebula located approximately 2,700 light-years from Earth resembles a guitar with a bright pulsar at the tip of the ...

One hundred years ago, on November 23, 1924, a groundbreaking discovery reshaped our understanding of the universe. A small ...

Fly about 2,600 light-years to Hubble Space Telescope imagery of the Cygnus loop nebula. See images from 2001 and 2020.

Ultraviolet light reveals new information about the FU Orionis' mechanisms. In 1936, the young star FU Orionis (FU Ori) ...

Astronomers have discovered a unique nebula shaped like a guitar using NASA's Chandra X-ray Observatory and Hubble Space ...

The Guitar Nebula, powered by pulsar PSR B2224+65, produces glowing particles and X-rays. This reveals how particles travel ...

New images of the massive structure is helping astronomers identify the tune being played by the celestial guitar.

In 1936, astronomers saw a puzzling event in the constellation Orion: the young star FU Orionis (FU Ori) became a hundred ...

In an exciting fusion of technology and artistry, OtterBox has launched a breathtaking limited edition Figura Series case, ...