The ELT is on its way to becoming the largest optical telescope in the world, and as it rises beneath some of the clearest ...

Astronomers using the James Webb Space Telescope (JWST) have made an unprecedented discovery that promises to reshape our ...

Though they don't orbit around our sun, sub-Neptunes are the most common type of exoplanet, or planet outside our solar ...

In the summer of 1995, Robert Williams, then director of the Space Telescope Science Institute, which manages the Hubble ...

A rare and dramatic scene unfolds 140 light-years from Earth. A rocky planet, once whole, is now crumbling to dust under the ...

NASA’s Nancy Grace Roman Space Telescope is gearing up to unlock the deepest secrets of the universe with three ...

NASA's Nancy Grace Roman Space Telescope team shared Thursday the designs for the three core surveys the mission will conduct ...

The James Webb Space Telescope was late to launch, but the observatory is making up for lost time. After several years of operation, Webb has captured some truly stunning cosmic vistas, complete with ...

To celebrate his homecoming, here are some of Pettit’s awe-inspiring images from his seven-month stay on the orbiting laboratory, including long-exposure views of the colors that dance above the ...