Incredible new images of the sun's surface provide an unprecedented view of sunspots and other solar activity.

A small international team of volcanologists has built a more detailed picture of the Campi Flegrei caldera's internal structure using high-resolution seismic imaging and results from rock physics ...

Breaking space news, the latest updates on rocket launches, skywatching events and more! Returning to those spots, as the CHARA team says, these high-resolution images of Polaris mark the first ...

Before its first skewed close approach that took place on March 31, the spacecraft had time to take a series of photographs, creating the widest resolution image of our star. Snapped on March 9 ...