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

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

The Arecibo Message as it appears when its 1,679 bits are properly aligned on a grid (left), an annotated illustration ...

New research reveals how supermassive black holes halt star formation, shedding light on galaxy evolution in the early ...

The Chandra X-ray Observatory is the darling of high-energy astrophysics. Famed for providing unequaled x-ray views of ...

The galaxies, each as vast as the Milky Way, are baffling because most scientific models for galaxy evolution suggest ...

This may also mark the beginning of the first wave of interest surrounding the JWST for most; however ... One of these previous iterations is the Hubble Space Telescope, known for its advanced ...

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

"That light circles around black holes, causing echoes, has been theorized for years, but such echoes have not yet been ...

The Roman Telescope is being built at NASA's Goddard Space Flight Center, where the coronagraph recently arrived after being ...

"There seems to be no limit for the degree of chemical complexity that interstellar space is able to fabricate." ...

The chances of intelligent life emerging in our Universe – and in any hypothetical ones beyond it – can be estimated by a new ...