Titan, Saturn's largest moon, is home to vast lakes and seas - not of water, but of liquid methane and ethane. In this video, ...

James Webb uncovered exotic salt clouds surrounding the famous "Pink Planet," solving a long-standing mystery about one of ...

The strangely shaped object - snapped by NASA's Opportunity rover - has resurfaced and reignited wild theories about little green men on the Red Planet ...

An illustration of the hazy, pink-hued gassy giant GJ504b, which may be a massive planet or a brown dwarf orbiting a nearby ...

The planets are extremely large, with TOI-791 b being about the same size as Jupiter, and TOI-791 c even larger. Yet, they ...

Somewhere out there, a planet roughly the size of Earth may be orbiting a distant star in conditions that could support life.

Astronomers have uncovered a pair of giant planets that are lighter than cotton candy — super-puffs the size of Jupiter. The ...

There are "vast hidden magma systems" inside of Mars, scientists say – and it could have major implications for the search ...

Scientists say moons around rogue planets wandering through the galaxy could remain warm enough for life thanks to tidal heating and hydrogen-rich atmospheres. These dark, starless worlds may have had ...

A polarizing Harvard astronomer has been appointed to lead a White House panel studying UFOs. Avi Loeb is leading a new ...

Avi Loeb, a Harvard astronomer who has made headlines with his theories about alien encounters, will lead a White House scientific advisory council on UFOs.

Sometimes the most extraordinary places hide in plain sight, and the Dee Wright Observatory near Blue River proves that ...