Martian Carbonates Spotted by the Orbiter: The minerals identified by the Mars Reconnaissance Orbiter provide more evidence that the planet may have once been habitable.

A Hole in Earth's Surface

Eating Less Meat, Wasting Less Food Could Save Water Worldwide: In tandem, two strategies could lower water consumption by 28% and ensure better water supply for more than 600 million people.

New research suggests that the emissions caps set by the historic Paris climate agreement might not be low enough to prevent damaging impacts for parts of the world that are vulnerable to climate change, highlighting big differences between a 2°C warmer world and a 1.5°C warmer world

Detecting Black Carbon in the Arctic Atmosphere - Eos

Mercury in Rain Increasing in Western and Central United States: Despite tightening emissions rules, mercury concentrations are rising in rainfall wetting western and central regions of the United States

The presence of ammonia-rich clay on much of the surface of Ceres suggests that this dwarf planet—the largest object in the asteroid belt—may have formed far out in the solar system…

A presumed pause in the rise of Earth’s average global surface temperature might never have happened

When the sun goes quiet, Titan gets gassy

Traces of glass-eating microbes found in ancient lake bed on Earth could aid in the discovery of life on Mars.