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Bacteria in rock deep under sea inspire new search for life on Mars.
Nearly 1,200 individual images taken last year were pieced together to produce this epic panorama.
You can choose out of 9 potential names proposed by school kids from all over the country.
Water vapor saturation in the Martian upper atmosphere is much greater than expected, which entails more water is escaping into space over time.
Martian auroras are linked to water loss on the red planet's surface, which is why the connection is quite important to scientists.
A new map of water ice trapped beneath Mars' surface could inform astronauts where they should land.
Very, very probably wrong.
Oxygen is rising and falling with the seasons unpredictably.
Curiosity is the only rover left on Mars -- and this haunting photo it recently beamed to Earth perfectly describes the feeling.
Mars' past seems to be more and more interesting.
The idea challenges the strict no-contamination guidelines that NASA and all space programs have closely adhered to for decades.
Is that ice cream?
It's only the second time that astronomers have detected an interstellar visitor.
This used to mess up our calculations, but now we understand why.
"This is a surprising conclusion," the team admits.
This is not the first time Iceland is used as a training ground for NASA missions.
We've learned so much about Mars, but pressing questions still remain.
It doesn't necessarily have to be red wine...
Scientists envision using a very thin material to build a huge greenhouse on Mars.
A group of researchers at NASA is preparing for the final steps to launch the Española chile pepper into space in November.
For the last 60 years, humans have been sending all sorts of spacecraft to the Red Planet -- here's a rundown.
The story of life on Mars -- if there ever was such a thing -- may have started much earlier than thought.
That's pretty metal.
Curiosity is finding water beneath the ground -- and in the sky.
Mars is a strange place and any humans born there are bound to look radically different.
The Mars InSight lander has sensed a quake within the planet.
Exciting times for Mars science.
This study offers a vital answer, but also poses a puzzling question.
It's a hint that Mars had a wet past.
NASA just released an amazing 360-degree panorama from the final resting place of the Opportunity rover.
InSight picked scissors, so it lost to rock.
The Atacama Desert is the most Mars-like environment on Earth.
Did a wet Mars foster life? That's the big question scientists hope to answer in the future.
One day, checking the weather on Mars in real-time will be as easy as googling it.
Yay for creative science!
It sounds like a flapping flag.
Everything is working according to plan on Mars.
The probe will study 'marsquakes'.
Rocks collected by the new rover will be transported to Earth.
When science meets art.
Still no aliens. But this is definitely a cool find!
Mars may be more life-friendly than we thought.
A way to create a piece of Mars here on Earth -- kind of.
A kind reminder that we're living in paradise.
This might be the news of the year!
Hang in there, buddy!
This could be a game changer.
Yarrr, there be a storm a'brewing!
Not all of NASA's rovers are having a tough time.
Come on Mars, why you gotta be like this?
