When we look up at the night sky, most of us see stars, most of which are relatively close: less than 5,000 light-years from ...

Will the Milky Way and Andromeda galaxies collide in several billion years? The odds have changed with a new study using ...

Two colliding galaxies have been found to be reorganizing their dwarf satellites, potentially solving a major conundrum ...

In 1925, Edwin Hubble's observation of Cepheid variables in the Andromeda galaxy revolutionized astronomy, proving the ...

In the direction of Pisces, approximately 560 million light-years from Earth, scientists have discovered a particularly ...

The Triangulum galaxy is seen here in the second-largest image ever taken by Hubble. (Credit: NASA, ESA, and M. Durbin, J. Dalcanton, and B. F. Williams (University of Washington)) Hubble just ...

Last week's discovery of 715 planets orbiting other stars was more than just a remarkable piece of astronomical detective work. It was also a bold confirmation that we have entered a new era of cosmic ...

This powerful side-by-side comparison shows just how bright a star explosion is. Recently, the Hubble Space Telescope captured a before-and-after image of a star exploding brightly. With the images ...

Hubble has taken the clearest image to date of the interstellar comet 3I/ATLAS, which is racing through our solar system at 130,000 miles per hour. Astronomers are using Hubble and other telescopes to ...

This NASA/ESA Hubble Space Telescope image zooms in on the feathery spiral arms of the galaxy NGC 45, which lies just 22 million light-years away in the constellation Cetus (the Whale). These ...

The Hubble Space Telescope is one of the most famous scientific instruments that has ever existed. It’s given the world an unfathomable amount of data and allowed for never-before-imagined exploration ...

Near-infrared images from the James Webb Space Telescope revealed five early universe galaxies merging within a large halo.