Crab Nebula: Located 6,500 light-years away from Earh, it is the highest-resolution image ever taken by the Hubble Space ...

How prepared are we to deflect an asteroid heading towards Earth? This question is answered by two studies just published in ...

Fluffy strands of cosmic gas and dust illuminated by bright young stars form a beautiful cloudscape in a neighboring nebula.

This Hubble image shows part of planetary nebula Caldwell 2 (NGC 40). Gas is expanding from the central star, which is at the ...

On May 20, 1990, the Hubble Space Telescope sent its first image to Earth. This photo turned out to be 50% sharper than ...

Astronomers using the Hubble Space Telescope (HST) have studied one of the largest young star clusters in our galaxy, ...

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

Compared to their more isolated counterparts, the galaxies in galaxy clusters are often distorted by the gravitational pull ...

Hubble Space Telescope can "only see the universe in shades of grey," according to NASA's Goddard Space Flight Center. Learn how the imagery is processed into amazing color views of the cosmos. Credit ...

It’s neither fast nor food, but a spectacular object called HH 30 looks appetizing for astronomers in a new image from the ...

The more distant the star is, the fainter it appears. Hubble worked hard, taking images of spiral nebulae every clear night and looking for the telltale variations of Cepheid variables. By the end of ...

New data reveals a 3-million-light-year filament connecting two galaxies, each of which hosts a supermassive black hole.