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KEY POINTS Jupiter, Saturn, and Neptune each emit more energy than they receive from the Sun, meaning they have comparatively warm interiors. NASA’s Uranus flyby with Voyager 2 in 1986

2 min read Preparations for Next Moonwalk Simulations Underway (and Underwater) NASA/Jacob Shaw NASA’s X-59 quiet supersonic research aircraft has officially begun taxi tests, marking the first time this one-of-a-kind

4 min read NASA to Launch SNIFS, Sun’s Next Trailblazing Spectator July will see the launch of the groundbreaking Solar EruptioN Integral Field Spectrograph mission, or SNIFS. Delivered to space

NASA/Jonny Kim In this June 13, 2025, photo, NASA astronaut Anne McClain shows off a hamburger-shaped cake to celebrate 200 cumulative days in space for JAXA (Japan Aerospace Exploration Agency)

3 min read Preparations for Next Moonwalk Simulations Underway (and Underwater) A team works together on their project during the 2024 NASA Space Apps Challenge event in in Arequipa, Peru.

3 min read Preparations for Next Moonwalk Simulations Underway (and Underwater) A team works together on their project during the 2024 NASA Space Apps Challenge event in in Arequipa, Peru.