Astronaut aiming to walk on Mars reveals biggest challenge

This challenge is big, but often overlooked

NASA astronaut says being in space made him realize we are ‘living a lie’

Seeing Earth from space gave him a new perspective

Airbus pilot captures rare ‘cosmic marvel’ during night flight and it goes viral

It’s as gorgeous as it is rare

Astronaut posts shot from space that can’t be ‘taken anymore’

This remarkable shot would now be impossible

Mars rover accidentally discovered extraordinary substance that ‘shouldn’t be there’

It was encased in s bright colored rock

NASA discovered a perfectly rectangular iceberg weighing one trillion tons in 2018

Nature works in mysterious ways