The news isn't great, but it's not a showstopper either.
Researchers are testing how life on the International Space Station affects the microbiome.
Time for a new plan.
More than a light Venusian breeze.
It's time to return to our hellish neighbor.
We think you can, Opportunity.
Don't you want to meet them?
Skyping with Mars.
Heat and drills will help us probe for alien microbes
A look behind the scenes of NASA's advanced solar probe
A curved line marked the planet's surface for four days
Finally, a good use for climate change
Before Breakthrough Starshot goes interstellar, let's test the laser sails
Here's the whole collection
The evidence is right in front of you.
Pluto is just the beginning
After nine years and three billion miles, here's what we're learning from it all
It's been 50 years since we got the first images of Mars. Now we're about to get the first images of Pluto.
This year's missions to the outer solar system are set to shake up the planetary family tree
The Dawn spacecraft could change the shape and scope of future missions