Wildland fires usually wind down in autumn, but this year they continued to rage into October.

Intertidal flats, mangroves, and artificial islands surround the populous capital city of the United Arab Emirates.

Two decades of satellite measurements show that the sea surface is shading toward green.

In September, low water levels made it more challenging to ship goods down the river and allowed a wedge of saltwater to move upstream.

After passing the Antarctic Peninsula, Iceberg D-30A grazed the much smaller Clarence Island, spun around, and drifted north.

Satellite data shows that Arctic sea ice likely reached its annual minimum extent on September 19, 2023.

Dust from the ephemeral Hamun wetlands streamed over parts of Iran, Afghanistan, and Pakistan in September.