NASA is growing Martian gardens to prepare for life on Mars

See that beautiful river of light? That's 'Steve'

We could visit another star system in just 69 years

Astronaut's 'burrito of awesomeness' quote will make you want to try spaceflight

Lyrid meteor shower to peak on Earth Day

NASA's 'Black Marble' shows Earth's nighttime glow

Cosmic web of 'dark matter bridges' link galaxies across the universe

Saturn's moon Enceladus may harbor conditions for life

Jupiter strikes a pose for Hubble portrait

NASA wants you to adopt a small piece of Earth

A stellar explosion in Orion caught on camera

What you need to know about the Great American Eclipse of 2017