The success of SpaceX, Blue Origin and other private-sector space firms are throwing up hard questions about the direction of ...

HWO will be the first space telescope built to find potentially habitable planets and analyze their atmospheres for signs of ...

Using the Hubble Space Telescope (HST), astronomers from the University of California Santa Cruz (UCSC) and elsewhere have ...

On the night of October 5-6, 1923, Carnegie astronomer Edwin P. Hubble took a plate of the Andromeda Galaxy (Messier 31) with the Hooker 100-inch telescope of the Mount Wilson Observatory. This plate, ...

Scientists have created over a million simulated cosmic images using the power of supercomputers to anticipate the capabilities of NASA’s upcoming Roman Space Telescope. These synthetic images allow ...

For optical astronomy, the space station will be accompanied by the Xuntian telescope, which can be translated to “survey the ...

A Triple Star System Yields an Unusual Surviving Star Unlike our Sun, which exists alone, at least half of the stars in our ...

This rare quasar with spiral arms could help astronomers understand how supermassive black holes feed and grow.

New measurements reveal the Coma Cluster is 38 million light-years closer, worsening the Hubble tension crisis and challenging cosmology models.

The Hubble Space Telescope completes a high-resolution portrait of our galaxy's gorgeous neighbor, which will help scientists better understand our Milky Way.

Around 2015, astronomers took on the painstaking task of stitching together Hubble Space Telescope images of this galaxy, but that effort had focused on the galaxy's northern half. Still, however, the ...

A rare breed of star recently discovered by the Hubble Space Telescope spins faster by feeding on its stellar siblings.