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Stay up-to-date with the latest content from NASA as we explore the universe and discover more about our home planet.

Five Years Ago: First All Woman Spacewalk
12 min read

The fifth anniversary of the first all-female spacewalk by NASA astronauts Christina H. Koch and Jessica U. Meir seems like…

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Cassini Mission: 5 Things to Know About NASA Lewis’ Last Launch
6 min read

NASA’s ambitious Cassini mission to Saturn in the late 1990s was one of the agency’s greatest accomplishments, providing unprecedented revelations…

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NASA Celebrates Hispanic Heritage Month 2024
24 min read

In honor of Hispanic Heritage Month, we recognize Hispanic astronauts who have flown in space. The table below lists these…

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Kathryn Sullivan: The First American Woman to Walk in Space
8 min read

Forty years ago, in October 1984, Kathryn D. Sullivan became the first American woman to walk in space. But being the…

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420 Years Ago: Astronomer Johannes Kepler Observes a Supernova
5 min read

In October 1604, a new star appeared in the sky, puzzling astronomers of the day. First observed on Oct. 9,…

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40 Years Ago: STS-41G – A Flight of Many Firsts and Records
13 min read

The 13th flight of the space shuttle program and the sixth of Challenger, STS-41G holds many distinctions. As the first…

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30 Years Ago: STS-68 The Second Space Radar Lab Mission
12 min read

On Sept. 30, 1994, space shuttle Endeavour took to the skies on its 7th trip into space. During the 11-day…

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55 Years Ago: Celebrations for Apollo 11 Continue as Apollo 12 Prepares to Revisit the Moon
15 min read

In September 1969, celebrations continued to mark the successful first human Moon landing two months earlier, and NASA prepared for…

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65 Years Ago: First Powered Flight of the X-15 Hypersonic Rocket Plane 
8 min read

The X-15 hypersonic rocket-powered aircraft, built by North American Aviation (NAA), greatly expanded our knowledge of flight at speeds exceeding…

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55 Years Ago: Space Task Group Proposes Post-Apollo Plan to President Nixon
8 min read

The Apollo 11 mission in July 1969 completed the goal set by President John F. Kennedy in 1961 to land…

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15 Years Ago: Japan launches HTV-1, its First Resupply Mission to the Space Station
7 min read

On Sept. 10, 2009, the Japan Aerospace Exploration Agency (JAXA) launched its first cargo delivery spacecraft, the H-II Transfer Vehicle-1…

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30 Years Ago: STS-64 Astronauts Test a Spacewalk Rescue Aid
9 min read

On Sept. 9, 1994, space shuttle Discovery took to the skies on its 19th trip into space. During their 11-day…

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NASA Tunnel Generates Decades of Icy Aircraft Safety Data
5 min read

On Sept. 13, 1944, researchers subjected a Bell P-39L Airacobra to frigid temperatures and a freezing water spray in the…

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40 Years Ago: STS-41D – First Flight of Space Shuttle Discovery
8 min read

On Aug. 30, 1984, space shuttle Discovery lifted off on the STS-41D mission, joining NASA’s fleet as the third space…

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235 Years Ago: Herschel Discovers Saturn’s Moon Enceladus
6 min read

On Aug. 29, 1789, German-born British astronomer William Herschel observed a tiny bright dot orbiting around Saturn. His son later…

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15 Years Ago: STS-128 Delivers Cargo to Enable Six-Person Space Station Crew
11 min read

On Aug. 28, 2009, space shuttle Discovery began its 37th trip into space. The 17A mission to the International Space…

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40 Years Ago: President Reagan Announces Teacher in Space Project
10 min read

On Aug. 27, 1984, President Ronald W. Reagan announced the Teacher in Space project as part of NASA’s Space Flight…

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55 Years Ago: Apollo 11 Astronauts End Quarantine, Feted from Coast to Coast
12 min read

On Aug. 10, 1969, Apollo 11 astronauts Neil A. Armstrong, Michael Collins, and Edwin E. “Buzz” Aldrin completed their 21-day…

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55 Years Ago: NASA Group 7 Astronaut Selection
7 min read

On Aug. 14, 1969, NASA announced the selection of seven new astronauts. The Group 7 astronauts consisted of pilots transferred…

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Celebrating NASA’s Coast Guard Astronauts on Coast Guard Day
5 min read

Each Aug. 4, Coast Guard Day commemorates the founding on Aug. 4, 1790, of the U.S. Coast Guard as the…

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MESSENGER – From Setbacks to Success
20 min read

The excerpts below are taken from Discovery Program oral history interviews conducted in 2009 by Dr. Susan Niebur and tell…

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