Rocks that stood out as light-colored dots on the reddish-orange surface of Mars now are the latest evidence that areas of the small planet may have once supported wet oases with humid climates and ...
Melting Antarctic ice reveals rocky peaks that release iron, which drifts into the ocean and helps tiny plants absorb carbon ...
Seafloor lava rubble stores far more carbon than solid rock, revealing a long-overlooked carbon sink shaping Earth’s climate over time.