Explained
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Photo: NASA/JPL-Caltech/University of Arizona (public domain)Explained
MMX Launch: Japan’s Spacecraft Heads to Mars’s Moon Phobos
JAXA's Martian Moons eXploration spacecraft left Earth on an H3 rocket on Oct. 19 UTC. It aims to orbit Phobos, collect a sample and return it to Earth in 2031.
Photo: U.S. Geological Survey / B. Wenzel (public domain)Explained
Kilauea Episode 55: Lava Fountain Reached 720 Feet
Kilauea's summit eruption is paused after episode 55, which sent a lava fountain to about 720 feet on Oct. 17. Here is what an "episode" means, what the Hawaiian Volcano Observatory reports now, and how it is forecasting the next one.