Virgin Galactic's 2027 mission will be the first to directly study menstruation in space. Here's what it will research and ...

Suborbital spaceflight company Virgin Galactic has announced plans to conduct a crewed research mission in 2027 that will study menstruation in space.

The Milky Way is a rich and complex environment. We see it as a luminous line stretching across the night sky, composed of innumerable stars. But that's just the visible light. Observing the sky in ...

Astronomers discovered three of the oldest stars in the universe, and they live in our own galactic neighborhood. The stars are in the Milky Way's 'halo' -- the cloud of stars that envelopes the ...

Add Yahoo as a preferred source to see more of our stories on Google. Throughout the course of human spaceflight, astronauts have conducted research on anything from muscle atrophy in microgravity to ...