European and other Western leaders said on Saturday a U.S. peace plan was a basis for talks to end Russia's war in Ukraine ...

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

A fast-moving object from outside our Solar System has captured global attention since it was first detected in July.

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.