The James Webb Space Telescope has revealed a rare "Einstein ring," revealing two distant galaxies in an optical illusion ...

Astronomers have discovered that "super-Earth" planets may exist on wider orbits than previously thought — and this implies ...

PHILADELPHIA — Rabbi Zev Eleff looked, at first glance, like the kind of man who might have written a book about Jewish ...

The school-bus-sized observatory launched on April 24, 1990 and overcame early setbacks to become one of the most ...