What One Year of Space Travel Does to the Human Body
After months aboard the International Space Station, Scott Kelly and Mikhail Kornienko are coming home.
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Pat Sullivan / AP What’s Different About Astronaut DNA?
Three researchers describe their findings in NASA’s study of identical twin brothers, one in space and one on Earth.
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Joe Skipper / Reuters Will Elon Musk Send the First Woman to the Moon?
To make a triumphant return to the moon with two dudes on board would be, well, less triumphant.
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U.S. Coast Guard / Reuters How Volcanoes Make the Universe More Livable
Hydrogen-spewing eruptions could help heat the atmospheres of planets that were once thought to be outside of the habitable zone.
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Mario Anzuoni / Reuters Elon Musk’s Moon Mission Would Vault SpaceX Past NASA
The company plans to take two people—not astronauts, but private citizens—on a trip around the moon next year.
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NASA / JPL-Caltech How to Draw an Exoplanet
A pair of illustrators turned tiny blips in data into vivid views from the TRAPPIST-1 star system.
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NASA / JPL-Caltech Seven Earth-Sized Planets Have Been Spotted Around a Nearby Star
And all of them are in the temperate zone.
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Joe Skipper / Reuters SpaceX Goes Two-for-Two on Launches This Year
The company has launched a Falcon 9 rocket from a historic launchpad at Cape Canaveral and landed its first stage upright on solid ground.
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Hyungwon Kang / Reuters NASA's Next Frontier Is Washington
The space agency is in limbo as it waits for direction from Trump and a Republican-controlled Congress.
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NASA Sweeping Ceres for the Building Blocks of Life
The Dawn spacecraft has detected for the first time evidence of organic compounds on the dwarf planet.
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NASA / JPL-Caltech / SwRI / MSSS / ... The Views of Jupiter You Won't Find in a Textbook
NASA spacecraft Juno is providing a fresh look at the gas giant since settling into its orbit last summer.
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Steve Helber / AP Trump's Advisers Want to Return Humans to the Moon in Three Years
The plan could dramatically shift the mission of the space agency, prioritizing low-Earth orbit activity over distant exploration.
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NASA / ESA / Hubble The One Kind of Black Hole Astronomers Can't Pin Down
Scientists believe these light-eating bodies come in three sizes, but they haven’t yet confirmed that “medium” truly exists.
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NASA / Reuters How Fast Is the Universe Expanding?
Astronomers have added a new data point in their attempts to answer the cosmic question.
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Reuters China’s Growing Ambitions in Space
While Trump works to lay out a new policy for NASA, China is set to conduct a record number of launches this year.
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Emily Jan / The Atlantic The Women in Pink
A collection of woman-on-the-street interviews from the march in Washington, D.C.
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NASA Would You Give Up Perfect Vision for a Trip to Space?
A new study put cancer patients on parabolic flight to see how microgravity worsens astronauts’ eyesight.
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NASA Remembering Gene Cernan
“Too many years have passed for me to still be the last man to have walked on the moon.”
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Joe Skipper / Reuters SpaceX Sticks the Landing in Triumphant Return
After a four-month launch hiatus, the company’s Falcon 9 rocket successfully sent a communications satellite into orbit and returned its first stage to a floating robotic barge.
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NASA / Reuters The Milky Way’s Stolen Stars
Astronomers say some of the galaxy’s most distant stars were actually whisked away from a passing mini-galaxy.
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Reuters The Moon May Be Formed From Many Tiny Moons
New research suggests the moon was the result of a series of smaller collisions rather than a single catastrophe, contradicting a theory that has been widely accepted for over 30 years.
