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

"Without Mars, Earth's orbit would be missing major climate cycles. What would humans and other animals even look like if ...

This book’s strength lies in its authorship: it is not written by a physicist enthralled by the engineering challenge of Mars, nor by an astronomer predisposed to romanticizing space exploration.

Christiaan Huygens created the first recognizable drawings of Mars' surface features during the fall of 1659, an achievement made possible by his advancements in telescope manufacturing. His November ...

For the first time, a fleet of orbiters and a rover circling another world has captured detailed views of an interstellar visitor as it swept through the inner solar system. As comet 3I/ATLAS brushed ...

Three weeks after the Spirit rover touched down on Mars, its twin rover, Opportunity, landed on the opposite side of the Red ...