The upper atmosphere of Venus is surprisingly similar Earth.
Now astronomers want to know: what makes a star a star?
Researchers are testing how life on the International Space Station affects the microbiome.
You can learn a lot from 4.5-billion-year-old rocks.
Buried under an ice cap, the water is so deep scientists couldn't probe to the bottom.
How much are you willing to pay to become an astronaut?
The early solar system was a wild, world-destroying place.
According to new calculations by astronomers
A far-out plan to create swarms of self-replicating solar panel satellites
One of these could be your next president
The Rogallo wing was NASA's multi-million dollar 1960s attempt to stop ending its missions with splashdowns. It didn't work.
A watery success
Piping hot Jupiter fries, please!
The ocean-filled moon might hold the life we've long searched for in space. And scientists have one shot to reach it.
Up, Up, And Away!