The Earth is 4.5 billion years old. How can we comprehend such a massive amount of time?
Very bad news for all of us: We will not survive another 1,000 years on Earth, says Stephen Hawking. One of the most brilliant minds warns that ‘we must continue to go into space for the future of humanity.’
How can we make Mars, Venus, or some of the moons in our solar system more earth-like?
Eventually, Earth’s magnetic fields will flip. What will happen then?
What would it look like to return home from outside our galaxy?