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"Coaxing Sea-Monkeys to swim when and where you want them to is even more difficult than it sounds," says Caltech scientist studying the critters' impact on ocean currents.
A rare picture snapped by Saturn probe Cassini shows three of the planet's moons -- all of which are very different from each other.
After two years of exploration and driving, NASA's Curiosity rover has finally reached the base of Mount Sharp, a major goal of the mission.
A professor at UC Berkeley (in California's earthquake country) has created a prototype device that warns of pending quake-related rumbles and could be installed as easily as a home fire alarm.
NASA aims to correct a series of problems with the Opportunity rover's memory by giving it a reformat from far, far away.
Space-alien theorists have gotten a thrill from a bone-like object found on Mars, but NASA has a more plausible explanation.
Using an Android smartphone, a commercially available cell phone image sensor, and Legos, researchers take one giant leap in the 100-year-old world of the Petri dish.
A large boulder went for a tumble on Mars and is captured in a NASA photo, complete with the strange tracks it left behind.
At the best of times, Jupiter's moon Io is a turbulent, torturous place. But last August, scientists say things really heated up.
NASA announces the payload for its next Mars rover and it's set to be even more sophisticated than the highly successful Curiosity mission.