The dwarf planet 1 Ceres is in conjunction with the Sun at 5 P.M. EST today. While this means we can't see Ceres for now, we ...

New research reveals many Marsquakes come from meteoroid impacts, not tectonic activity. This discovery reshapes theories ...

Trans-Neptunian objects (TNOs) are icy bodies that vary widely in size, from large dwarf planets like Pluto and Eris—each ...

Earth has a variety of islands and bodies of water that resemble a heart. ESA takes you on a tour. Credit: ESA ...