NASA photographer Josh Valcarcel captured Zena Cardman in a pose evocative of one of the first female astronaut's portraits.

The Bay Sages heard from the Delta Astronomical Society (DAS) during its monthly meeting on Thursday. DAS Newsletter Editor ...

Curious about what planets look like through a telescope? This guide breaks down what you’ll see based on your telescope’s ...

A month ago, an ordinary cell phone camera captured this rapidly mutating auroral display a single degree south of the Arctic Circle. Decades of celestial tour expeditions make us place the Northern ...

SPHEREx will begin routine science operations in late April, NASA said. At that time, the space telescope will begin taking about 600 exposures a day. The observatory is capable of detecting infrared ...

The eerie glow of Neptune's aurora has been revealed for the first time in new images collected by NASA’s James Webb Space ...