A clay-rich mesa in the Hellas basin of Mars. The blue color near the rim is aluminum bearing clays. The red-orange color below that is iron and magnesium bearing clays.

Impact history should play a crucial role in the search for habitable exoplanets like Earth — SwRI An SwRI-led team compared the early impact history of Venus and Earth, determining

The Antarctic midge is the only known insect native to Antarctica. Credit Yuta Shimizu / Osaka Metropolitan University Picture an Antarctic animal and most people think of penguins, but there

Galactic-scale properties of the sample. We plot against sin(|b|) EB−V (top left), N(HI) (top right), N(H2) = N(HCO+ )/3 × 10−9 (bottom left), and WCO, the line profile integral of