Contrasting colors of lava and ash reveal the geologic origins of Harrat Khaybar's volcanic cones.

Strong winds kicked up sand and dust from China's vast Taklimakan Desert.

Ancient hominin fossils lie beneath the sandy soils on the outskirts of this village in southern Spain.

Farmers grow a variety of crops along river floodplains near Lyon.

Large tidal swings expose a plateau-shaped reef around Australia's Yawajaba island at low tide.

For the second year in a row, California's largest reservoir filled to nearly 100 percent capacity.

Space scientists and sky-watchers were treated to a stunning display of the northern lights in May 2024.