Am astrophotographer has now unveiled the most breathtaking photo of the Andromeda galaxy we've ever seen, and he took it ...

"Everything scattered in the Andromeda system is very asymmetric and perturbed. It does appear that something significant ...

"It was actually a total surprise to find the satellites in that configuration and we still don’t fully understand why they ...

Hubble's latest survey of Andromeda reveals a chaotic past, a swarm of satellite galaxies, and a cosmic mystery that ...

SPHEREx is set to launch at Friday from California. Here are five things to know about NASA's latest advanced space telescope ...

The Hubble Space Telescope revealed that the Andromeda Galaxy’s ecosystem differs from our Milky Way’s. This shows how these ...

Located 2.5 million light-years away, the majestic Andromeda galaxy appears to the naked eye as a faint, spindle-shaped object roughly the angular size of the full moon. What backyard observers don't ...

The mission will help us uncover how early galaxies formed and where the building blocks of life are located in the Milky Way.

The SPHEREx mission will image 1 billion galaxies, 100 million stars, and 10,000 asteroids – and help to answer some of the biggest scientific mysteries.

The James Webb Space Telescope was late to launch, but the observatory is making up for lost time. After several years of ...