President Trump's remarks are coming at a crucial time as he tries to rebuild his steadily eroding popularity.

President Donald Trump intends to preview his agenda for next year and beyond in a live speech from the White House on ...

The original ocean hypothesis came from how Titan physically deforms as it orbits Saturn. As the moon follows an elliptical ...

Researchers have identified a distinctive ultraviolet signature of water in the interstellar comet known as 3I/ATLAS.

New research suggests Titan may be made up of a melting interior, with pockets of warm water that could offer promising ...

A deep-sea ecologist writes that the United States’ new rush to allow deep-sea mining raises significant environmental ...

The James Webb Space Telescope has spotted something that should not survive in one of the harshest environments imaginable: ...

New research suggests Titan instead may hold deep layers of ice and slush more akin to Earth's polar seas instead of a buried ...

On the frozen surface of Jupiter’s moon Europa, a sprawling, spider-like mark has become one of the most puzzling features in ...

Saturn's huge moon Titan may not hide an ocean under its frozen surface but rather widespread pockets of liquid water, a new ...

Decades ago, a spacecraft suggested Saturn's largest moon, Titan, had an ocean. New observations suggest that the liquid may ...

Missions such as Galileo around Jupiter and Cassini around Saturn have discovered over the last three decades that the giant ...