Andromeda Galaxy

Located 2.5 million light-years away, the majestic Andromeda galaxy appears to the naked eye as a faint, spindle-shaped object roughly…

In the years following the launch of NASA’s Hubble Space Telescope, astronomers have tallied over 1 trillion galaxies in the…

For humans, the most important star in the universe is our Sun. The second-most important star is nestled inside the…

As a distant stargazer and a neighborhood watchdog, NASA's WISE/NEOWISE spacecraft has scanned the sky around us – both far…

This image, released on May 9, 2024, from NASA’s retired Spitzer Space Telescope shows streams of dust flowing toward the…

Data from NASA’s retired Spitzer Space Telescope has given scientists new insights into why some supermassive black holes shine differently…

Updated June. 16, 2022, 6 p.m. PDT (9 p.m. EDT): Language was added to acknowledge the contribution of radio telescopes to the images.…

Relationships can be complicated – especially if you’re a pair of stars. Sometimes you start a downward spiral you just…

Back in January, a new X-ray source flared and rapidly brightened in the Andromeda galaxy (M31), located 2.5 million light-years…