Resveratrol might mitigate the muscle loss seen in low-gravity environments.
We mapped out all the space trash.
Solar storms, sharp sand, and near-weightlessness are just the tip of the iceberg.
Doesn't seem too fair.
Astronauts Buzz Aldrin and Neil Armstrong used them to document the moon and life aboard Apollo 11.
NASA didn't have much computing power to work with in 1969.
Astrobees could help free up astronauts' schedules.
The reasons are understandable, but they also reinforce concerns about gender bias.
One more thing to worry about in space.
In space, no one can fix your toilet for you.
We've only scratched the surface.
The hole came from the inside.
The proof is out there.
His favorite astronaut, his most beloved fictional space explorer, and the discoveries that would have changed the plot of 'The Martian.'
A lot on the ISS depends on the Soyuz.
One small step for a man and his camera, one giant leap for photography.
The news isn't great, but it's not a showstopper either.
It's not all glamour and spacewalks, but it is rewarding.
NASA announced the nine astronauts selected for its Commercial Crew program.
In 1966, the Air Force sent an uncrewed space station into orbit
Can gardens help astronauts go farther?
He thinks spaceflight will soon be routine.
The ubiquitous American food flew aboard quite a number of missions
Astronaut poop could help create a weird yet nutritious bacterial Vegemite.
Should we go? Can we afford to go? All this, and more.
Take it from an astronaut.
In the event of a lunar emergency, use pulleys.
And no, I did not throw up.
Their dream jobs just became a reality.
A gallery of photos, visualizations, and other pictures of outer space.
A new plant habitat is on its way to the space station
More comfortable, less ugly, and (hopefully) just as functional
And should colonists on Mars be allowed to eat each other?
Peggy Whitson was the ISS's first female commander, and will soon take over a second mission
For your favorite space enthusiast, go above, to infinity, and beyond.
More space travel, more poop problems.
Sudden peeing, sweat balls, and so much more
Spaceman documents Mike Massimino's unlikely journey from fire inspector's son to elite astronaut
An excerpt from Spaceman, a memoir by astronaut Mike Massimino
Go underwater with trainees in 360-degree VR
Come on, Eileen
An excerpt from the June 1962 issue of Popular Science, in honor of Glenn's 95th birthday
These student-designed containers will help astronauts to 'live long and prosper' on Mars and beyond
The whole space station crew crams into the BEAM module for a photo op
Because long-term spaceflight has known and unknown risks
Before women started flying in space, NASA was a little worried they might die having their periods
Mike Massimino shows me around
7 vehicles that will carry humanity into orbit and beyond very soon
Inside Bigelow's BEAM
Canada's newest astronaut, David Saint-Jacques, has big space boots to fill
Reach out, touch space
He successfully crossed the finish line on a treadmill--and he made good time.
3D printing our way to the year 2050
Gone, but too awesome to forget
So long, and thanks for all the planetary science
Scott Kelly's got some competition
Plus, 9 simple ways to move in zero gravity
He spent a year in space, but the fun's not over yet
Coverage begins Tuesday at 4:15 PM Eastern
The Rogallo wing was NASA's multi-million dollar 1960s attempt to stop ending its missions with splashdowns. It didn't work.
No more drinking "fresh" java from a plastic pouch
And other answers from Scott Kelly's Tumblr 'AnswerTime'
Some things never get old
Newsflash: It's round
Just waking up now? You could qualify
No need to call Mark Watney
Twins Mark and Scott Kelly are key to understanding how space impacts our bodies
Start filling out those forms
How much space does each astronaut really need?
Retired astronaut Scott Parazynski talks about his life of adventure
The duo spending a year in space talk HoloLens, micro-gravity gardening, and more
Use #AskPopSci on social media, and watch live at 10:05am EST on PopSci.com!
One small step closer to the Space Olympics
And what are your odds of getting chosen?
NASA is taking suggestions this week
To Instagram and beyond
Everybody poops. In space, it's pretty difficult and requires a lot of planning.
Almost as good as the book
Plus a sneak-peak review of the first 49 minutes of the film
Will there be horrible consequences? Live video right here
Hope you're not afraid of heights
ESA astronaut Samantha Cristoforetti demonstrates
NASA is still trying to figure that out
A unique study will measure how the human body reacts to a year in space
The final frontier is a photographic nightmare