NASA astronaut friends Christina Koch and Jessica Meir, who performed the first all-female spacewalk, are breaking records again.

Updated at 12:30 p.m. ET That is not one small step for women. History was supposed to be made Friday when, for the first time, two female astronauts were scheduled to do a spacewalk together outside ...

Add Yahoo as a preferred source to see more of our stories on Google. Two NASA astronaut classmates and friends could cement their out-of-this-world friendship in the coming week as a women's ...

Blast off and spend 24 hours in space with the astronauts who completed NASA's first ever all-female spacewalk! Christina Koch and Jessica Meir share an intimate look at their out-of-this-world ...