Mars and Earth, two neighboring planets, have captivated the human imagination for centuries. Often hailed as Earth’s “sister planet,” Mars holds a special place in the study of our solar system. But ...

It’s often assumed that Earth is somehow separate from the rest of the universe. Yet changes in environments across the solar ...

ST. LOUIS – From monstrous tsunamis to building-shattering earthquakes to flood-inducing downpours, mother nature is a force to be reckoned with. We’re all tired of this extreme weather here on Earth ...

A new analysis of chemical signatures measured by NASA's Curiosity Rover gives a peek at Mars's past to a time some 3.7 ...

Mars is an inhospitable desert planet. Billions of years ago, things were different. In Jezero Crater, for example, fed by a ...

For years, scientists have puzzled over how Mars lost the thick atmosphere it once had. That atmosphere was essential for liquid water to exist on the planet’s surface, billions of years ago. Today, ...

Massive volcanic eruptions billions of years ago may have made it snow on Mars, leaving thick buried ice near the planet’s equator.

An international team of researchers has published a report on how Mars samples should be handled from a scientific point of ...

Mars’ north polar vortex locks its atmosphere in extreme cold and darkness, freezing out water vapor and triggering a ...

Right now there is no conclusive evidence of life on Mars past or present. Nasa’s “leopard spots” are the most promising signs we have, but these are still inconclusive. If life exists on Mars today, ...

A distant exoplanet might have an atmosphere similar to Earth's, early observations from the James Webb Space Telescope (JWST) suggest. It is part of a group of planets orbiting a star called TRAPPIST ...