NASA’s Earth Observatory has captured Boston Harbor’s drumlin islands in a stunning new image, offering a rare glimpse into Earth’s glacial past. Formed over 20,000 years ago during the Wisconsin ...

The period that liquid water was present on the surface of Mars may have been shorter than previously thought. Channel landforms called gullies, previously thought to be formed exclusively by liquid ...

The island, called Prow Knob, formed from glacier retreat, an effect of anthropogenic climate change that can have disastrous ...