ESA's Mars Express orbiter has taken some stunning new images of Mars' Grand Canyon, Valles Marineris. It is the largest canyon system in the solar system.
Japan's Sakurajima volcano erupted at about 8:05 p.m. local time today (11:05 UTC; 6:05 a.m. CDT on Sunday, July 24, 2022). So far, 51 people have evacuated.
Why do corals glow? Researchers in Israel and the U.S. say they use fluorescent colors to attract prey like plankton, solving a long-standing aquatic mystery.