Radio Star Astronomers say they've detected a mysterious type of signal known as a fast radio burst coming from a dead galaxy ...

Our planet Earth is part of a solar system located ... The image of nearby galaxy Messier 81 was captured by NASA's Spitzer Space Telescope. The galaxy is located in the northern constellation ...

In 2022, astronomers detected another signal originating from the outskirts of its galaxy, Messier 81, where no active star formation was taking place. "That event single-handedly halted the ...