Volcanic activity shaped the Red Planet for hundreds of millions of years. But today, researchers aren’t sure whether our ...

Are there still active volcanoes on Mars? New detections of hydrogen chloride from below the surface suggest flowing magma.

Mars’s missing atmosphere and water may have finally been found ...

Add Yahoo as a preferred source to see more of our stories on Google. MAVEN data shows Mars can redirect plasma inside its ionosphere during solar storms, revealing a new space weather effect. (CREDIT ...

Hydrogen chloride near Alba Mons may point to dormant volcanism on Mars, with seasonal ice helping release gas from a possible source beneath the surface.

Add Yahoo as a preferred source to see more of our stories on Google. Creating a composite photograph of the images taken by the Color and Stereo Surface Imaging System (CaSSIS) aboard the Trace Gas ...

New evidence from gas seeping above volcanic rifts suggests Mars is not geologically dead deep inside, but merely sleeping.

A new study by researchers including those at the University of Tokyo revealed that atmospheric gravity waves play a crucial role in driving latitudinal air currents on Mars, particularly at high ...

When the surface of the Sun exploded with activity in May 2024, Earth was hit by the biggest solar storm in more than two decades. The video shown below—made from images captured by NASA’s Solar ...

New research digs into how Mars’ atmosphere shapes its sedimentary landscapes. The surface and atmosphere of Mars have seen many changes over its 4.5-billion-year history. While the planet’s current ...

Previously, Mars was warm and watery, with a thick atmosphere, almost Earth-like. But over billions of years, this atmosphere wore away, leaving a cold, dry planet with a thin atmosphere. This was due ...