The planetarium turns 100 this year. What came before the giant domes, with imagery of galaxies, asteroids and meteors ...

It wasn’t easy, bringing the stars indoors. The first show, held in Germany in 1925, used grainy footage on a small dome, but was dizzying nonetheless. Now, a whole new future looms.

On Nov. 28, from 6 to 8:30 p.m., the Dome Room will again open to the public to see the constellations. The presentation, ...

"The discovery of this stream highlights how much is still unknown about the life histories of galaxies, how the hidden ...