Add Yahoo as a preferred source to see more of our stories on Google. Sitting in a dark planetarium, kids of all ages had stars in their eyes on Friday as they learned about black holes and Earth ...

Are we alone in the universe? It’s the kind of question that fuels debates, History Channel marathons, and real-world space missions. The new documentary Starman dives straight into that mystery by ...

CAPE CANAVERAL, Fla. (AP) — NASA unveiled close-up pictures on Wednesday of the interstellar comet that's making a quick one-and-done tour of the solar system. Discovered over the summer, the comet ...