Our Solar System hides worlds of fire and ice, storms that outlast civilizations, and mysteries still beyond human reach. These ten discoveries reveal a universe far stranger than we imagined.

Jupiter will reach its highest point in the sky around dawn, when, from mid-northern latitudes, it will appear about 20 ...

The universe's first galaxies were hot messes, according to a recent study. During their younger days, they were wild, chaotic bundles of turbulent gas, churned up by huge gulps of intergalactic gas, ...