But how do stars form, evolve, and eventually die? The answer depends in part on the size of the star, and even then, the outcome may differ based on several factors. Most stars form in a similar way.

"It was actually a total surprise to find the satellites in that configuration and we still don’t fully understand why they appear that way." ...

New data further challenge the best scientific theory of the history and the structure of the universe. But a separate recent ...

(Beverly Lynds was an astronomer who catalogued both bright nebulas – BN – and dark nebulas – DN – in the 1960s) How does the birth of stars form a nebula like this? Well, stars grow by ...

When massive stars explode as supernovae, they can leave behind neutron stars. Other than black holes, these are the densest ...