THE DISCOVERY DESK
Space & Planetary Worlds
Explore planets, moons and space missions, from planetary weather to the search for life, with clear explanations of observations and open questions.
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NASA’s Dragonfly Mission to Titan: Why We’re Sending a Drone to Saturn’s Moon
NASA’s Dragonfly rotorcraft will fly across Saturn’s moon Titan in the 2030s. Here’s why Titan is perfect for flying and what the mission is looking for.
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Jupiter’s Polar Cyclones vs. Saturn’s Hexagon: Why Two Giant Planets Make Such Different Weather
Jupiter’s poles hold clusters of cyclones. Saturn’s north pole has one giant vortex inside a six-sided jet. Here’s what Juno and Cassini found, and why.
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Are Space Photos Real? Natural Color, False Color and Artist’s Concepts
Most space photos are real data, but their colors may not match what your eye would see. Learn to tell natural color, false color and artist’s…