Record-breaking female astronaut heads home
With 328 days in space, NASA's Christina Koch sets a new world record for single flight by a female astronaut.
NASA
NASA bids farewell to Spitzer Space Telescope
After more than 16 years of trailblazing infrared observations, NASA is pulling the plug on one of its "Great Observatories."
Astronauts perform spacewalk to fix $2 billion cosmic ray detector
The last in a series of spacewalks should put a $2 billion scientific instrument back in business.
Scientists say this planet could unlock insights about Earth
Venus' heat-trapping atmosphere – 97% carbon dioxide – and 900-degree average surface temperature present both a challenge and an opportunity for learning about Earth's formation.
"Vampire" star discovered in the midst of a feeding frenzy
A previously unknown dwarf star is sucking the essence away from its neighbor, astronomers said Friday.
Third all-female spacewalk successfully completed
NASA is ditching aging solar array batteries for more powerful lithium-ion replacements.
SpaceX deliberately destroys boosters in dramatic test
The test was the last major hurdle before the Crew Dragon blasts off with astronauts aboard.
SpaceX delays dramatic Crew Dragon abort test
Dramatic SpaceX in-flight abort test is intended to clear the way to send astronauts to the International Space Station.
Second all-female spacewalk devoted to space station battery replacements
NASA resumes battery replacement work aboard the International Space Station with the second all-female spacewalk.
Earth just had its hottest decade on record
Last year was the second warmest year on record, according to an annual report from NOAA and NASA.
Ex-Navy SEAL is NASA's first Korean-American astronaut
Kim is a first-generation Korean-American whose parents came to the U.S. in the 1980s to provide a better life for their children.
Smoke from Australia fires circling the world
NASA says the fires have caused "unprecedented" conditions that will effect the entire globe.
Teen discovers rare new planet 3 days into NASA internship
NASA's planet hunter satellite TESS has discovered an exoplanet orbiting two stars instead of one — and it was identified by a high school intern.
Wildfires scorch nearly a third of Australian island
Satellite pictures show more than 380,000 acres of Kangaroo Island — a former haven for wildlife — destroyed by the brushfires.
The first meteor shower of the year peaks this weekend
The first meteor shower of 2020 is here to welcome the new year.
NASA astronaut Christina Koch sets a new record in space
Christina Koch passes Peggy Whitson's 288-day mark on Saturday to set a new record for longest single space flight by a female astronaut.
Final solar eclipse of the decade will create a "ring of fire"
The annular solar eclipse will be a Christmas spectacular.
Boeing Starliner has picture-perfect landing after shortened mission
The successful landing was a relief after problems that blocked a planned rendezvous with the International Space Station.
Starliner on track for Sunday landing despite setbacks
Despite being unable to dock with the space station, engineers say the Starliner flight collected valuable data.
Boeing Starliner won't dock with space station after glitch
The Starliner will attempt an automated landing Sunday at White Sands, New Mexico.
Boeing Starliner makes first launch, but hits snag
The unpiloted test flight could lay the groundwork for Boeing to launch a crew to the space station in 2020.
NASA's Mars 2020 rover completes its first test drive
"The next time the Mars 2020 rover drives, it will be rolling over Martian soil," NASA said.
Boeing Starliner ready for historic test flight
NASA hopes to end reliance on Russian Soyuz ferry ships and transport astronauts on U.S. crew capsules.
SpaceX launches Falcon 9 with communications satellite
The new satellite will provide high-speed commercial and government communications across the Asia-Pacific region.
Giant cyclone the size of Texas discovered on Jupiter
"These cyclones are new weather phenomena that have not been seen or predicted before," said Cheng Li, a Juno scientist.
Tennessee's attempt to execute Christa Pike using lethal injection fails
Co-pilot stabs pilot, tries to crash passenger jet en route to Israel, Netanyahu says
Hegseth says he's cutting generals and admirals by 20%, ousting "woke"
Details emerge in case of former Cornell student alleging rape by frat members
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Iran says it's considering ceasefire counterproposal
Trump unveils South Korean investment in Alaska gas pipeline
Netanyahu says it's too early to determine motive in cockpit stabbing
Trump deflects on audio of Paxton calling GOP convention a drag on polls
