Researchers examining seismic data recorded on Mars say the have found evidence supporting the presence of liquid water deep inside the Red Planet.

Did Mars' water escape underground, where it dwells today in vast amounts? Some scientists aren't so sure. Scientists are confident Mars was once abundant with water, as seen in massive flood ...

Because Mars doesn’t recycle its crust like Earth does, that hydrogen has no natural means of escaping. NASA explains: When water interacts with rock, chemical weathering forms clays and other ...

More than 3 billion years ago, Mars intermittently had liquid water on its surface. After the planet lost much of its atmosphere, however, surface water could no longer persist. The fate of Mars's ...

Scientists analyzing pulverized rock onboard NASA's Curiosity rover have found the largest organic compounds on the red ...

But water isn’t an obvious thing on Mars. There are no oceans or rivers or lakes like there are on Earth. But new research garnered from NASA’s Mars Reconnaissance Orbiter and Mars Odyssey ...

Mars exploration has been guided by the search for water. The more complex quest by Mars Science Laboratory for habitable environments should illuminate the Martian environmental history ...

More than 3 billion years ago, Mars intermittently had liquid water on its surface. After the planet lost much of its atmosphere, however, surface water could no longer persist. The fate of Mars ...

For life to exist on Mars, there must be liquid water. There is plenty of water on Mars, but most of it is frozen in the polar ice caps and buried underground. Despite the chilly temperatures ...

An illustration of Mars as a dry and arid world. But it wasn't always this way. Where did the red Planet's water go?. | Credit: NASA/Robert Lea (created with Canva) Scientists are confident Mars ...

Water once existed in abundance of at the surface of Mars. How much of that water has been stored in the planet's crust is still unclear, according to a new analysis. Water once existed in ...