Mars may have once possessed an ocean at least as large as Earth's Arctic Ocean, a new study suggests. Previous research ...

HD 189733 b orbits so close to its star that distance almost stops mattering. The planet was logged in 2005, one of many ...

Using images from cameras on Mars orbiters, an international research team has discovered structures on Mars that are very ...

New research suggests Mars was once a blue planet, as scientists identify river deltas and signs of a vast ancient ocean on ...

Mars, now a dusty world of rusted rock and thin air, once carried enough water to transform its face into something far more ...

Researchers worked out the ocean's size by finding how high the water level got in the Solar System’s largest canyon system.

A severe solar storm that struck the Earth's atmosphere on Monday caused the aurora borealis to be visible in several ...

The red planet was half blue, according to space scientists. A research team using images from cameras on Mars-orbiting ...

Space is full of weird but wonderful things, from unusual rocks on Mars that don’t actually belong there to hidden structures ...

Mars is absolutely dripping with evidence that the red planet was once a striking blue, complete with glistening lakes, ...

According to a World Economic Forum report, the World Economic Forum is focusing on three areas to protect freshwater, i.e., ...

MAVEN has remained silent since Dec. 6 despite repeated attempts to contact it, according to NASA. As part of the recovery ...