NASA's Parker Solar Probe is preparing for its long-anticipated record-setting approach to the surface of the sun. Hurtling around the sun at approximately 430,000 mph, the uncrewed vehicle is ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. The Parker Solar ...

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After hours: December 24 at 3:28:07 PM EST Loading Chart for AIR ...