A compound lens forged by two galaxies is helping astronomers get a bead on the Hubble Constant and dark energy.

A solar observation telescope developed by Korea, the U.S. National Aeronautics and Space Administration, and NASA has been ...

SpaceX's Dragon cargo ship carrying CoronaGraph and CODEX, a solar observation telescope jointly developed by Korean and U.S. researchers, has successfully docked to the International Space Station.

The lead author is Manu Nair from the Lincoln Center for Autonomous Systems in the U.K. "This research is timely given the ...

SPHEREx will explore the universe in 102 infrared colors, providing unprecedented insights into cosmic origins.

As Congress investigates extraordinary claims that alien spacecraft have invaded American skies, a onetime NASA leader says ...

The Nancy Grace Roman Space Telescope's Wide Field Instrument provides a field of view 100 times greater than the Hubble ...

Sixteenth century Danish astronomer Tycho Brahe laid the framework for modern cosmology without ever using a telescope.

Explore the skies for less with the Celestron SkyMaster Pro 20x80 at their lowest price since February — now $210 ahead of Black Friday ...

Astronomers have discovered two galaxies that are perfectly aligned, allowing their combined gravitational pull to act as a ...