True Anomaly will take its space-security work far afield next year. The Colorado-based startup, which aims to make space a safer and more sustainable realm for the U.S. government and its ...

This image features a deep field view of the Cassiopeia constellation immersed in the glow of ionized hydrogen gas, where the two small planetary nebulas can be found, Abell 6 and the larger HFG1.

Today I dive deep into the many different types of nebulas, from the classic diffuse nebula, to supernova remnants, all the way to dark nebulas, all with the amazing help of Space Engine to shows ...