CloudSat, a NASA mission that peered into hurricanes, tallied global snowfall rates, and achieved other weather and climate firsts, has ended its operations. Originally proposed as a 22-month mission, the spacecraft was recently ...
Earth Sciences
6 hours ago
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12
Despite surface temperatures hot enough to melt lead, lava-spewing volcanoes, and puffy clouds of sulfuric acid, uninhabitable Venus offers vital lessons about the potential for life on other planets, a new paper argues.
Astrobiology
Apr 22, 2024
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44
Although the troposphere is often thought of as the closest layer of the atmosphere to the Earth's surface, the planetary boundary layer (PBL)—the lowest layer of the troposphere—is actually the part that most significantly ...
Earth Sciences
Apr 18, 2024
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1
A NASA mission testing a new way of navigating our solar system is ready to hoist its sail into space—not to catch the wind, but the propulsive power of sunlight. The Advanced Composite Solar Sail System is targeting launch ...
Space Exploration
Apr 17, 2024
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55
NASA has confirmed its Dragonfly rotorcraft mission to Saturn's organic-rich moon Titan. The decision allows the mission to progress to the completion of the final design, followed by the construction and testing of the entire ...
Space Exploration
Apr 17, 2024
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49
Potential signs of the rainbow-like "glory effect" have been detected on a planet outside our solar system. Glory are colorful concentric rings of light that occur only under peculiar conditions.
Astronomy
Apr 5, 2024
4
142
Massive cost overruns. Key deadlines slipping out of reach. Problems of unprecedented complexity, and a generation's worth of scientific progress contingent upon solving them.
Astronomy
Mar 28, 2024
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56
Like her ancestors before her, Emirati astronaut Nora AlMatrooshi has spent much of her life gazing up at the stars and dreaming of flying to the moon.
Space Exploration
Mar 7, 2024
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13
After two years of rigorous training, ten Americans officially became astronauts on Tuesday, and are now eligible for planned NASA missions to the International Space Station, the moon, and—if all goes well—to Mars.
Space Exploration
Mar 5, 2024
0
0
Decades before any probe dips a toe—and thermometer—into the waters of distant ocean worlds, Cornell astrobiologists have devised a novel way to determine ocean temperatures based on the thickness of their ice shells, ...
Planetary Sciences
Feb 29, 2024
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