LTT 1445 Ac is roughly the size of Earth and about 22 light-years away in the constellation Eridanus. The planet orbits the ...

The modern James Webb telescope has allowed for the capture of the collision of a spiral and an elliptical galaxy, known as ...

A star’s surface temperature can be used to determine the star’s luminosity and chemical composition. At best, a star’s exact ...

Looking at a distant galaxy means looking back in time.