A huge geoglyph in the shape of an elk or deer discovered in Russia may predate Peru’s famous Nazca Lines by thousands of years. The stone structure, located near Lake Zjuratkul in the Ural Mountains, north of Kazakhstan, has an elongated muzzle, four legs and two antlers.
In late September, within a span of just 11 days, the forests of far eastern Siberia dramatically changed from green”with only a slight hint of fall color”to a deep brown. The MODIS sensor on NASA's Aqua satellite captured the fall transformation in a recent pair of images.
On Sept. 19, 2012, NASA's Terra satellite collected views of the Three Sisters and Broken Top volcanoes in the Cascade Mountains near Bend, Ore. The accompanying image comprises an eclectic mix of cirrus clouds, glaciers and the Pole Creek Fire, which blazed nearby in the Deschutes National Forest.
The Great Pyramids at Giza are the last of the Seven Wonders of the Ancient World and perhaps the most famous of the ancient monuments in the Nile River Delta of Egypt. They're also a favorite subject of photography from orbit”particularly when high-resolution imagery can be obtained.
When Guatemala's Volcán de Fuego (Volcano of Fire) erupted on the morning of Sept. 13, 2012, NASA's Terra Earth observation satellite was high above to capture this natural-color image of the eruption as it occurred.
Most of Istanbul's Asian suburbs appear in this night view from the International Space Station, while only about half of the city's European side is visible. The margins of the metropolitan area are clearly visible at night, more so than in daylight images.
The radiation belts that surround Earth are home to killer electrons, plasma waves, and intense electrical currents that can disrupt and destroy the electronics on satellites. Although James Van Allen discovered them more than 50 years ago, they're still a mystery in many ways.
Hurricane Isaac is forecast to keep lashing Louisiana with heavy rains Wednesday and Thursday as it hovers over the region, unleashing 80-mph winds and causing widespread flooding in New Orleans and other coastal cities.
A month's worth of satellite imagery revealed the source of giant chunks of floating pumice up to two feet thick and a kilometer wide, surprising the crew of the New Zealand ship HMNZS Canterbury during its early August voyage from Auckland to Raoul Island.
As London's Summer Olympic Games capture the attention of billions of viewers worldwide, it’s worth remembering that the city and surrounding areas have been imaged from space for many years. Check out three different views of London that show why the Landsat 7 satellite's Enhanced Thematic Mapper Plus sensor is far more than just a camera.
