Lake Untersee, Antarctica — Google Earth Hi Keith, The past couple of days brought low clouds, some drifting snow, and steady winds that peaked around 30 m/s (~67 mph). Today, the sun

Still from an animated view of the Sun and the Earth as seen from the Moon’s South Pole NASA source A long-standing idea in planetary science is that water-rich meteorites

A seemingly serene landscape of gas and dust is hopping with star formation behind the scenes. NASA, ESA, and K. Stapelfeldt (Jet Propulsion Laboratory); Processing: Gladys Kober (NASA/Catholic University of

The EAC-1 (top row), EAC-2 (middle row), and EAC-3 (bottom row) designs shown to relative scale. The left column shows the stowed, launch configuration for each architecture and its fit

Schematic diagram of typical initial conditions for a model run (not to scale). Temperature ranges from 100 to 273 K and is shown according to the color scale at right.

Deep layers of molten rock inside some super-earths could generate powerful magnetic fields—potentially stronger than Earth’s—and help shield these exoplanets from harmful radiation. (University of Rochester Laboratory for Laser Energetics