Ancient shoreline features hint that water on Mars once formed a vast ocean.

The planet HD 189733 b was discovered in 2005, as one of many huge gas worlds snuggled tightly against their suns. It gradually gained popularity for .

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

From a distance, it looks like a serene blue twin of our own world, a dot that could almost pass for Earth in a telescope ...

Mars not only had rivers, but also a huge ocean billions of years ago. Scientists have now found evidence of a large body of ...

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

The nature writer has collaborated with musicians Delia Stevens and Will Pound on a reimagining of Holst’s ‘The Planets’ ...

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

It looks like a sapphire jewel in space, but HD 189733bis anything but serene. With winds reaching seven times the speed of ...

Mars may have been a "blue planet" with an ocean the size of today's Arctic Ocean, a new study suggests.

The global river crisis is worsening. Learn about the causes behind the decline of vital waterways and their significance.

Welcome to the first of our series Notes from a Small Planet. Maverick Earth was started out of concern over global warming, ...