Katy Perry is exactly the kind of celebrity to go to space.

Freeze-dried ice cream did make an appearance on the Apollo 7 mission, in 1968, but was scratched from the space program soon after. The astronauts, it seems, didn’t like the stuff. The good ...

Thus young Earth, Ciesla theorizes, was infused with organic molecules fabricated in space. Additional organic compounds, he suggests, could have formed later in Earth’s primordial soup or were ...