Field geology at Mars' equator points to ancient megaflood

Floods of unimaginable magnitude once washed through Gale Crater on Mars' equator around 4 billion years ago—a finding that hints at the possibility that life may have existed there, according to data collected by NASA's ...

Stressed-out volcanoes more likely to collapse and erupt

An international study led by Monash scientists has discovered how volcanoes experience stress. The study, published today in Scientific Reports, has implications for how the world might be better protected against future ...

Image: Bolivian highland heart

For Valentine's Day, we bring you this Copernicus Sentinel-2 image capturing a beautiful heart-shaped geographical formation in the dramatic landscape of the southern highlands of Bolivia.

Fractured ice sheets on Mars

Where the two hemispheres of Mars meet, the planet is covered in broken-up terrain: a sign that slow-but-steady flows of icy material once forged their way through the landscape, carving out a fractured web of valleys, cliffs ...

Promoting earth's legacy delivers local economic benefits

For iconic landscapes such as Grand Canyon or the Appalachian Mountains, geological features are an integral part of their appeal. Yet despite the seeming permanence of cliffs, caves, fossils, and other geological highlights, ...

Exploring a desert portal to other worlds

Ali Bramson clutched her neon pink umbrella as she trekked across the frozen lava that spilled from Amboy Crater in California's Mojave Desert. She and her fellow University of Arizona graduate students were tasked with identifying ...

NASA maps surface changes from California quakes

Damage from two strong earthquakes that rattled Southern California on July 4 and July 5—a magnitude 6.4 and a magnitude 7.1, respectively—can be seen from space. The epicenter of the quakes was near the city of Ridgecrest, ...

Methane on Mars: A new discovery or just a lot of hot air?

The discovery of life on Mars would get pretty much everyone excited. But the scientists hunting for it would probably be happy no matter what the outcome of their search – whether life turned out to extinct, dormant or ...

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