Astronomers are raising concerns about the impact of light pollution from a renewable energy project on the world’s most important sky-observing site.

Hubble Space Telescope mapped Andromeda, revealing a chaotic history shaped by mergers. A 2.5-billion-pixel mosaic shows 200 ...

Astronomers are sounding alarm bells as the world's most precious sky-observing location faces a risk of being blinded by light pollution due to a planned renewable energy project.

In the years following the launch of NASA's Hubble Space Telescope, astronomers have tallied over 1 trillion galaxies in the universe. But only one galaxy stands out as the most important nearby ...

Active galactic nuclei (AGN) are among the most energetic phenomena observed in the universe. These luminous objects, powered ...

Lee Feinberg, HWO's principal architect based at Goddard, said in a separate presentation that NASA is currently envisioning ...

How do images taken by the James Webb Space Telescope (JWST) appear so colorful, and where do the colors come from?

Astronomers have released a set of more than a million simulated images showcasing the cosmos as NASA’s upcoming Nancy Grace ...

The ESA Solar Orbiter has provided a stunning new look at the Sun by combining 25 high-resolution images. This mosaic offers a detailed view of the solar surface, including sunspots and granules, ...

Astronomers have detected a mid-infrared flare from the supermassive black hole at the heart of the Milky Way galaxy for the ...

NASA's Roman Space Telescope, slated for a 2027 launch, will provide insights into dark energy and exoplanets. It will ...

International teams of astronomers monitoring a supermassive black hole in the heart of a distant galaxy have detected ...