A cosmic formation known as the 'dumbbell nebula' will be visible from Earth in August. Will you need a telescope to see it?

SpaceX, the commercial rocket company founded by Elon Musk, is about to launch Starship on its 10th flight since April 2023. What's happened before?

Drastic cuts and changes finally revealed. Check phillymag.com each morning Monday through Thursday for the latest edition of ...