Slideshows ...

Imagery of Saturn captured by the James Webb Space Telescope is superimposed over an image captured by Hubble. "Yellows ...

By mapping the brightest explosions in the universe, scientists may have uncovered a megastructure that defies our ...

Despite its Earth-like rivers and lakes of liquid methane, Saturn’s moon Titan seems oddly lacking in river deltas — geological formations that are typically rich in historical clues. Using data from ...

Is it possible to build a Dyson sphere that isn't catastrophically unstable? New research says yes, but only in one type of ...