SIGNS of an alien planet that’s about the same size as Earth have been picked by up a Nasa telescope. Scientists say it might ...

NASA has selected two Earth science missions for development, one focused on studying the atmosphere and the other on terrestrial ecosystems and ice.

The views of Earth from the far stretches of space are some of the most incredible sights. From capturing weather patterns and the grand expanse of blue oceans below to the great continents that shape ...

From orbit, Earth’s rivers look less like tranquil blue ribbons and more like power tools carving into a living planet. New ...