On many exoplanets, conditions are so exotic that minerals form clouds and fall as rain. Recent studies revealed the rocky weather on these four exoplanets in more detail than ever before.
Researchers drove around a van outfitted with a sensitive mass spectrometer to measure airborne chemicals weeks after the disaster.
Wildfires that wreaked havoc on California in 2020 filled the atmosphere with a potent greenhouse gas.
From sediment cores to speleothems, environmental archives are helping us to understand the history of wildfires.
For the first time in more than a century, scientists have identified new sodium chloride crystals. The discovery may reconcile puzzling spectroscopic images of Europa’s surface.
To find the first direct evidence of heightened UV radiation during the end-Permian mass extinction, researchers turned to chemical evidence preserved in pollen grains.
A team of scientists, educators, and teenagers discovered the objects, some of which may have been delivered by a fireball that streaked across the sky in 2017.
In a new model, three substantial atmospheric layers appear consistent between the ice giants.
Spectral data suggest that Kamo‘oalewa, a near-Earth asteroid, has a composition similar to lunar rocks.
Laser-induced breakdown spectroscopy is a versatile geochemical tool being used in a wide range of applications, from Mars rovers to earthly rock identification.