Building a real-life TARDIS is mathematically possible, say physicists

What to see in the night sky in May

NASA is growing Martian gardens to prepare for life on Mars

Buzz Aldrin's love for oatmeal knows no bounds

Houston, we have a space debris problem

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