The sun is 93 million miles (148 million kilometers) from Earth. This high-resolution image shows the Sun in ultraviolet light, revealing the Sun’s upper atmosphere, ... [+] the corona.

Using the Keck Planet Imager and Characterizer (KPIC), astronomers have performed high-resolution spectroscopic observations of a brown dwarf known as HD 206893 B. Results of the observational ...

ESA said the first round of mosaics of the Sun's surface was time-consuming to produce, but now that the team better understands the process, the agency plans to release more high-resolution maps ...