Have you ever felt that you ought to be able to see more in the night sky using just your unaided eyes? You may need nothing more than a new pair of eyeglasses.
The Spitzer Space Telescope has produced a magnificent mosaic of the Christmas Tree Cluster.
unveiled this stunning image of NGC 1300, the 10th-magnitude barred spiral some 69 million light-years distant in the constellation Eridanus.
This false-color image from the Chandra observatory depicts X-rays emanating from multimillion-degree gas within Abell 2597. The central hot spot marks the heart of the cluster's dominant galaxy, which contains a supermassive black hole. New research suggests that the dark void near the cluster's edge is a long-lived bubble that…
Hubble's deepest-yet image comes amid uncertainty about the space telescope's future.