Astronaut Study Shows Some Lasting Changes from Time in Space
Astronaut Study Shows Some Lasting Changes from Time in Space
Scott Kelly’s physiology, gene activity, and mental performance changed after time aboard the International Space Station, but mostly returned to normal once back on Earth.
Astronaut Study Shows Some Lasting Changes from Time in Space
Astronaut Study Shows Some Lasting Changes from Time in Space

Scott Kelly’s physiology, gene activity, and mental performance changed after time aboard the International Space Station, but mostly returned to normal once back on Earth.

Scott Kelly’s physiology, gene activity, and mental performance changed after time aboard the International Space Station, but mostly returned to normal once back on Earth.

Mars
Image of the Day: Wet PlanetImage of the Day: Wet Planet
Image of the Day: Wet Planet
Carolyn Wilke | Mar 28, 2019
An analysis of the scars left by long-gone flows reveals that Mars’s rivers may have run even when scientists thought the planet was drying out.
Opinion: Slow Down, SpaceX
Opinion: Slow Down, SpaceX
Mohamed Kashkoush | Mar 15, 2019
Rockets can transport humankind to Mars, but only the scientific and medical community can ensure our survival.
Image of the Day: Microbes on Fake Mars
Image of the Day: Microbes on Fake Mars
Aggie Mika | Oct 18, 2017
By simulating the structure and composition of Mars’s rocky materials, scientists observe how the metal-eating, extreme environment–inhabiting microbe Metallosphaera sedula could alter extraterrestrial environments.