Microgravity weakens our immune system
Researchers found the immune cells of volunteers kept in simulated microgravity were slower to activate and fight infection.
Category: Space
What causes decompression sickness in astronauts?
Scientists found tracers for inflammation and traumatic brain damage in people who climbed to high altitudes mimicking the low pressure…
DART collision alters path of a near-Earth asteroid
Scientists tested planetary defense technology by slamming a spacecraft into an asteroid in an attempt to alter its course. They used…
Creating a cosmic family tree
Astronomers traced the genealogy of a kilonova explosion by using models to find its most likely parent stars.
How to spot colorful life on icy exoplanets
In recent decades, astronomers have discovered more than 5000 planets orbiting stars beyond our solar system, with nearly 9000 more…
When life detoxifies itself, it leaves behind a helpful sign
Scientists found that a methylated gas produced by life as a waste product of detoxification could serve as a remotely observable sign of…
How does a cabbage seed respond to being in space?
If humans are to ever leave planet Earth, one of the first challenges we must face is how to feed ourselves. Space is hostile to life, with…
Why did a bunch of asteroids hit the Earth billions of years ago?
The first cells of life on Earth had a lot to contend with. Conditions were harsh and unpredictable. The air was thick with volcanic gases.…
A crater lake on Mars was racked by ancient flash floods
One picture from the surface of Mars can tell us an entire story about the history and formation of that place. Often, the similarities and…
Bacteria found with superpowers that let them survive in space
Scientists who study how humans might travel through space found a handful of specific genes that give bacteria some cool superpowers.