Under the sea, volcanoes erupt, building land until they break the surface as a new island. These islands evolve and change as they age, following a predictable pattern of landform evolution until one day returning to the sea.
Looking at the Earth from orbit is fascinating, especially at night. That's when you can measure the ways that human civilization covers the planet, and discover how national boundaries affect the electrical grid.
Humanity's grandest architectural triumph isn't some single building or monument. It's the cities that surround them, the forests of high-rises that house more than half the human population within their limits. Cities grow almost organically to suit the needs of their residents, resulting in a cityscape as unique as…
Get ready to take a trip. Your 6,000 mile (9,000 km) long journey will start in Russia and extend down to the northern tip of South Africa — and you'll see it all from a height of 438 miles (705 km).
Commander Chris Hadfield has been tweeting photos from the International Space Station for months now, and many of his images are utterly gorgeous. Like this one, of a Bolivian lake whose shoreline looks like what Hadfield called "dinosaur teeth." What do you think are the most photogenic features of Earth from space?
This massive cyclone in the Indian Ocean was captured by a satellite on Monday. You can see the perfectly-formed eye of the storm surrounded by a frothy spiral of violently disturbed ocean waters.