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

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 ...

An international team of astronomers has conducted a multiwavelength study of an X-ray binary designated 1eRASS ...

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

NASA Unburies Danger Zones of Star Cluster| These images show NASA's Chandra X-ray Observatory data detailing the diffuse ...

The Arecibo telescope collapsed due to corrosion on cable brackets. The problem was apparently overlooked during inspections.

Researchers using the James Webb Space Telescope have discovered three massive galaxies from the early universe, revealing ...

These five new sets of binos from Nikon are updates to its recently discontinued Professional range, but come with a hefty ...

New observations suggest that the universe’s oldest galaxies are brighter than expected. Here's why this may be a big deal.

Less than an hour away from San Antonio is Boerne's best-kept secret, a 400-acre preserve that offers panoramic views of the ...