In 1974, astronomers sent a call out into the cosmos from a massive telescope in Puerto Rico. The anniversary of the message brings reflections on a new missive to the stars and grief for a lost ...

A group of international astronomers have discovered three mysterious, ultra-massive galaxies in the early universe. The galaxies – systems of stars, gas, dust, and dark matter – appear in a view from ...

Fly about 2,600 light-years to Hubble Space Telescope imagery of the Cygnus loop nebula. See images from 2001 and 2020.

Roughly 400,000 years after the Big Bang, the universe cooled just enough to allow photons to escape from the primordial ...

A telescope demonstration is helping some children learn about the stars in a new and exciting way. Republican U.S. Senators ...

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

Roughly 400,000 years after the Big Bang, the universe cooled just enough to allow photons to escape from the primordial ...

In astrophotography, I would say 70% is technique and 30% is the equipment. I spent a lot of time learning the technique behind those incredible images of the galaxies, Zubuyer says ...

A recently shared image of a distant galaxy surrounded by three concentric rings challenges our understanding of galactic ...

ESA officials said in the statement, which accompanied the new Hubble image. Related: Hubble Space Telescope tells a starry ...

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

Since its deployment, the James Webb Space Telescope has been fine-tuned by experts to maintain its powerful optical ...