NASA picks 10 smallsat missions to explore the Solar System
Bigger isn't always better when it comes to space exploration.
Lights out on a ghostly James Webb Space Telescope inspection
NASA's origami robots can squeeze into places rovers can't
They could be used to explore the parts of Mars a full-sized rover can't reach.
NASA signs up four research teams to study the Solar System
The agency will fund their studies for the next five years.
What Trump's budget would mean for NASA and climate change
Why are all these astronauts studying the Earth anyway?
NASA finds biofuels make air travel 70 percent greener
Fewer emissions, fewer contrails.
NASA plans to make a telescope out of the Sun
But there is a catch.
NASA tests life-detecting tools for Mars in the Atacama Desert
As one of the driest regions on Earth, it's the best place to test Martian rover instruments.
Watch NASA's Mars rocket tests in 360-degree video
From the "flame trench," the SLS motor spews smoke, fire and steam.