Happy Galaxies Day! A century ago tonight, Edwin Hubble exposed a photograph at the 100-inch telescope on Mt. Wilson whose ...

In 1925, grad student Cecilia Payne first proposed that stars were mostly made of hydrogen and helium and shaped our ...

Hubble made no claims about a creator, but his discoveries and the wonder they evoke have prompted others to reconsider ‘the ...

This image showcases dwarf irregular galaxy NGC 5238 which showcases signs of galaxy mergers that occurred billions of years ago.

This panchromatic view of galaxy cluster MACS0416 was created by combining infrared observations from NASA’s James Webb Space Telescope with visible-light data from NASA’s Hubble Space Telescope.

A stunning sight of galaxy NGC 453 taken by the Hubble Space Telescope, it is located in the constellation of Virgo (The Virgin), around 50 million light-years from Earth. An Eye in the Sky, features ...

Even small asteroids can do a lot of damage—and new research shows the James Webb Space Telescope is adept at spotting the tiniest of space rocks. A time-lapse of images from NASA’s James Webb ...

In 2003, Hubble observed a massive planet orbiting an old star It was nearly as ancient as the universe itself This discovery raised questions about how planets could form Nasa’s James Webb Space ...

A Jellyfish Galaxy Adrift: The jellyfish galaxy JW39 hangs serenely in this image from the NASA/ESA Hubble Space Telescope. A Galaxy with Tendrils: This image taken with the Hubble Space Telescope ...

Black holes are some of the most extreme objects in the universe, and a new mission proposal suggests launching a space telescope specifically to study them. The Event Horizon Telescope (EHT ...

Two years of data from NASA's James Webb Space Telescope have now validated the Hubble Space Telescope's earlier finding that the rate of the universe's expansion is faster - by about 8% - than would ...

NASA's Hubble Space Telescope image of the Coma galaxy cluster ... Do you have a tip on a science story that Newsweek should be covering? Do you have a question about opioids?