In a star’s core, fusion takes terrific temperature and pressure that is provided by the crushing gravity of the star’s overlying mass. For a star to be relatively stable, the outward force of the ...

The swirling, paint-like clouds in the darkness of space in this stunning image seem surreal, like a portal to another world ...

Meet the author: Dr. Phil Plait is an astronomer, author, and science communicator with a PhD in astronomy at the University of Virginia. He has written four books on astronomy and consulted on space ...