Mars, once a planet abundant with water, now lies as a barren, arid expanse. Its surface features reveal a history where ...

Astronomers are celebrating the completion of a 2.5-billion-pixel panoramic picture of the entire Andromeda Galaxy. The team includes several UC Santa Cruz researchers who made significant ...

The detection of ultra-high-energy gamma rays ... messengers that have spawned a new field of astronomy c... NASA has shared a stunningly colourful image that shows a region in outer space where ...

The Hubble Space Telescope recently captured a snapshot of a rare supernova that sits in the Gemini constellation, about 650 ...

This NASA Hubble Space Telescope image shows the planet Jupiter in a color composite of ultraviolet wavelengths. Released on ...

Using the aging Hubble Space Telescope, Achenbach spotted an unusual spiral galaxy quasar with a visible jet. This calls into ...

Share on Facebook (opens in a new window) Share on X (opens in a new window) Share on Reddit (opens in a new window) Share on Hacker News (opens in a new window) Share on Flipboard (opens in a new ...

The Universe really seems to be expanding fast. Too fast, even. A new measurement confirms what previous -- and highly debated -- results had shown: The Universe is expanding faster than predicted by ...

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 ...

This image shows N90, where bright young stars carve a cavity, with distant galaxies tinted reddish-brown by dust creating a stunning cosmic backdrop. This Hubble image reveals the Horsehead ...

A deep field image captured by the James Webb Space Telescope is of galaxy cluster SMACS 0723. Credit: NASA, ESA, CSA, and STScI | mash mix: Space.com Music: Tranquil Dawn by Amber Glow / courtesy of ...

Using telescopes like Hubble, researchers found a supermassive black hole in galaxy SDSS J1354+1327, 900 million light-years away, blowing hot gas bubbles. NGC 1275, or Perseus A, is a galaxy at the ...