UChicago-led analysis of Mars Science Laboratory Curiosity rover data may explain why planet was likely harsh desert for most ...

A hidden box-lattice suggests groundwater sculpted Mars long after surface water fled; Curiosity’s drills aim to confirm the ...

Its color is actually caused by the effects of a 2,000 degree Fahrenheit (1,093 Celsius) atmosphere where rock-forming ...

How did complex life survive when Earth was frozen over? Scientists say tiny meltwater ponds on ancient ice may have been the ...

If you looked at the churning clouds near Jupiter’s pole, they appear like ocean currents on Earth — as if you’re looking at ...

Hycean worlds are also called ocean worlds. They're planets covered in oceans that also have thick hydrogen atmospheres.

Research ships rarely brave the Greenland Sea in winter. Early this year, scientists ventured into the ice-covered waters to capture crucial data about the planet’s future.

It's difficult to overstate just how surprisingly early to the party this water may have been. “This suggests that water, the ...

These findings help explain what happened to Mars' water and provide clues about the planet's ancient climate. A Complex and Changing Atmosphere Mars’ atmosphere is far more dynamic than ...

Mars is covered in traces of ancient bodies of water. But the puzzle of exactly where it all went when the planet turned cold and dry has long intrigued scientists. Our new study may offer an answer.

Mars is covered in traces of ancient bodies of water. But the puzzle of exactly where it all went when the planet turned cold and dry has long intrigued scientists. Our new study may offer an answer.

Valleys on Mars suggest the Red Planet was once covered in flowing water — but it's still a mystery how that could have been.