Lake Unter-See in Antarctica, sealed beneath thick ice, contains unusually high levels of dissolved oxygen and cone-shaped microbial reefs resembling some of Earth’s oldest fossils.
Your challenge is to tell us the location of the satellite image and why it is interesting.
A series of nighttime satellite images revealed how moonlight reaching Earth varied throughout a total lunar eclipse.
Set amid El Salvador’s modern, active volcanic landscape, tranquil blue waters fill a caldera formed by ancient eruptions.
As Iceberg A-23A disintegrated, it shed meltwater that helped fuel an extensive phytoplankton bloom in the South Atlantic Ocean.
A NASA luminary from the Apollo era grew up in Wales near Llanfairpwllgwyngyllgogerychwyrndrobwllllantysiliogogogoch.
Oklahoma’s Salt Plains National Wildlife Refuge attracts rare and diverse species—and enthusiasts looking for a distinct type of crystallized gypsum.
The National fire has burned tens of thousands of acres within the Florida preserve, fueled by vegetation dried by prolonged drought and killed by recent frost.
Villages and farmland were swamped after unusually heavy early-February rains pushed the Sinú River over its banks.
Satellite-based radar images show where a powerful earthquake in the Yukon, Canada, sent rock, snow, and ice spilling across the frozen landscapes of the St. Elias Mountains.