The asteroid was 621,000 miles away from Earth on Tuesday morning
They've admitted to having 'tough times' while stuck in space
A small object could knock the asteroid onto a course headed straight for Earth
The astronaut gave a tour of the International Space Station, showing people a glimpse of the world from space
Scientists say the chance of the 'most hazardous asteroid' hitting Earth is higher than once thought
A new study has revealed higher risks of an impact with our planet
We don't have to go to space to gain the same perspective
The commemorative items were left on the lunar surface, where they remain to this day
The former NASA astronaut says we've all been living a lie on Earth
The astronaut recalled some pretty strange sightings from his space missions
The mysterious sound left astronauts scratching their heads
The case has been dubbed the 'Astronaut Love Triangle'
He broke the speed of sound
Scientists estimate that the vessel should reach the asteroid by 2029
He had to forfeit his wage to help cover the costs
The unidentified object is hurtling through space twice as fast as our solar system
We're not sure what we were expecting, but it wasn't this
Flat Earth theory has been shut down once and for all
The man used his own homemade radio to make contact
Many Flat Earthers think that NASA is lying to us all
Haunting final words of Challenger's crew before their space shuttle exploded 73 seconds into flight
Millions watched the tragedy live
The team listened to acoustic waves from moonquakes
It could unlock the secrets to life on Mars
An astronaut has lifted the lid on what happens when you poop in space