Geologically young, dark lava flows stand out from older, lighter rocks and the sands of the central Sahara.
Published Jan 5, 2020
The winter scene includes icy shorelines and frozen landscapes around Hudson Bay under thin, wrinkled clouds.
Published Dec 30, 2019
Sunlight highlights details around Rio Paraná, Rio Tiete, and Rio Paranapanema.
Published Dec 22, 2019
Anvil clouds and towering thunderheads stood tall over northeastern Brazil.
Published Dec 15, 2019
The fourth largest man-made reservoir in North America extends from Pierre, South Dakota, to Bismarck, North Dakota.
Published Dec 8, 2019
The grid-like pattern that spreads across the encompassing flatlands is typical of the Great Plains region and of Nebraska in particular.
Published Nov 29, 2019
A mountain-building event lifted up this area between 40 and 70 million years ago.
Published Nov 24, 2019
Different lens sizes and camera angles provide wildly different views of Madagascar.
Published Nov 17, 2019
Italy’s major southern port and naval base has a history dating back to Roman times.
Published Nov 10, 2019
The winter season is often hot and dry, leading rivers to dry up and become vulnerable to aeolian processes.
Published Nov 3, 2019
Ash, pumice, and steam shaped the landscape around Katmai and Novarupta.
Published Oct 27, 2019
A new study shows that nocturnal animals are less active when the nights are too bright with electric lighting.
Published Oct 24, 2019
This composite image was made from more than 400 photos taken as the International Space Station traveled from Namibia toward the Red Sea.
Published Oct 20, 2019
Trails up Mount Whitney and across Forester Pass give hikers access high into the California mountain range.
Published Oct 15, 2019
Yellow flowers brighten the landscape of southwestern Russia.
Published Oct 13, 2019
During morning and evening hours, dense smoke often settles in low-lying areas and becomes trapped due to temperature inversions.
Published Oct 4, 2019
Fantastic dunes stand alongside one of the world’s largest internally draining river systems.
Published Sep 29, 2019
Views of mainland Alaska from the ISS are uncommon due to frequent cloud cover and the limits of the ISS orbit trajectory.
Published Sep 22, 2019
Low Sun angles enhance certain wavelengths of light, painting the atmosphere over a distant patch of ocean.
Published Sep 12, 2019
Fishing is an integral part of the economy for this region, which also attracts whales and tourists.
Published Sep 8, 2019
The tallest mountain of the Cascade Range is a Pacific Northwest icon.
Published Sep 4, 2019
Although not the highest or longest falls in the world, Victoria Falls is the world’s largest sheet of falling water.
Published Sep 1, 2019
The complex patterns are due to waves, winds, the presence of oils or surfactants, and the presence of boats and drilling platforms.
Published Aug 25, 2019
Originally named the Cape of Storms, it was later renamed to Good Hope in order to attract more people to the Cape Sea Route.
Published Aug 18, 2019
A glorious winter morning view greeted astronauts as they passed over the rugged peaks of Peru’s Cordillera Blanca.
Published Aug 11, 2019
Roads, railways, and a mighty river meet in this longtime trading hub of the central United States.
Published Aug 4, 2019
The International Space Station was crossing over the equator when an astronaut looked east and took this photo just after a sunrise.
Published Jul 28, 2019
These two images of Nova Scotia and Prince Edward Island, taken from different directions, give a sense of the astronaut flight experience.
Published Jul 21, 2019
When the Apollo 11 astronauts left the surface of the Moon on July 21, 1969, they brought home samples of solar wind particles, lunar rocks and dirt, and a big helping of perspective.
Published Jul 20, 2019
Most of the state’s land surface overlies thick limestone deposits that have been transformed into a distinct aquifer system.
Published Jul 16, 2019
