Japanese researchers have discovered salt minerals on the asteroid Ryugu, suggesting that liquid water may have once been ...
The space telescope Gaia has created the largest three-dimensional map of the Milky Way ever. On January 15, 2025, Gaia shut ...
Saturn’s rings are an arresting sight even through modest telescopes. The planet is made mostly of hydrogen and helium whereas the rings are billions of pieces of mostly bright-white water ice and ...
Today: On Feb. 18, 1930, Clyde Tombaugh discovered Pluto, at that time classified as the ninth planet.
Explore Ceres, the largest asteroid in our solar system, and discover its remarkable ancient ocean and ice-rich crust.
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