Valentina Tereshkova, a Soviet cosmonaut, became the first woman to travel to space on June 16, 1963, at the age of 26. She orbited the Earth aboard the Vostok 6 spacecraft.
Rhea Seddon was selected as an astronaut by NASA in 1978 and flew on three space shuttle missions, STS-51D, STS-40, and STS-58. She flew on her first mission, STS-51D, at the age of 32.
Kalpana Chawla, an Indian-American astronaut, was selected as an astronaut candidate by NASA in 1994. She flew on two space shuttle missions, STS-87 and STS-107. She embarked on her first mission, STS-87, at the age of 36.
Mae Jemison became the first African-American woman to travel to space on September 12, 1992, at the age of 35. She flew as a mission specialist aboard the space shuttle Endeavour (STS-47).
Eileen Collins was the first female space shuttle pilot and later became the first female shuttle commander. She flew as a pilot on her first mission, STS-63, at the age of 38.
Liu Yang, a Chinese astronaut, became China's first woman in space on June 16, 2012, at the age of 33. She was a part of the Shenzhou 9 mission.
Karen Nyberg was selected as an astronaut by NASA in 2000 and flew on two space shuttle missions, STS-124 and STS-132. She embarked on her first mission, STS-124, at the age of 37.
Nicole Stott was selected as an astronaut by NASA in 2000 and flew on two space shuttle missions, STS-128 and STS-133. She flew on her first mission, STS-128, at the age of 46.