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Mars terraforming not possible using present-day technology

Science fiction writers have long featured terraforming, the process of creating an Earth-like or habitable environment on another planet, in their stories. Scientists themselves...

Mars scientist: Crater once held a lake after all

If desert mirages occur on Mars, "Lake Gusev" belongs among them. This come-and-go body of ancient water has come and gone more than once,...

Images From NASA Mars Rover Include Mysterious Bright Spots

Images taken by NASA's Curiosity Mars rover on April 2 and April 3 include bright spots, which might be due to the sun glinting...

Astronauts’ hearts become more spherical in space

New findings from a study of 12 astronauts show the heart becomes more spherical when exposed to long periods of microgravity in space, a...

Mars-mimicking chamber explores habitability of other planets

A research team in Spain has the enviable job of testing out new electromechanical gear for potential use in future missions to the "Red...

NASA Orbiter Finds New Gully Channel on Mars

A comparison of images taken by the High Resolution Imaging Science Experiment (HiRISE) camera on NASA's Mars Reconnaissance Orbiter in November 2010 and May...

Geophysicist, Mathematicians Describe How River Rocks Round

For centuries, geologists have recognized that the rocks that line riverbeds tend to be smaller and rounder further downstream. But these experts have not...

Flowing Water on Mars Appears Likely But Hard to Prove

Studies examine puzzling summertime streaks Martian experts have known since 2011 that mysterious, possibly water-related streaks appear and disappear on the planet’s surface. Georgia Institute...

‘Rogue’ asteroids may be the norm

A new map of the solar system’s asteroids shows more diversity than previously thought. To get an idea of how the early solar system may...

NASA’s Opportunity at 10: New Findings from Old Rover

New findings from rock samples collected and examined by NASA's Mars Exploration Rover Opportunity have confirmed an ancient wet environment that was milder and...

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