Astronomers used the James Webb Space Telescope for the largest and deepest sample of galaxy groups, some of which were up to ...

At a frigid -125 degrees Fahrenheit (-87 degrees Celsius), WD 1856+534 b is the coldest planet ever directly observed, ...

If the object really is Planet Nine, it would be larger than Neptune and exist 700 times further from the sun than Earth.

Explore how interferometry is revolutionizing space-based telescopes, enabling ultra-high resolution imaging for studying ...