SpaceX's big launch aims to send NASA astronauts to the International Space Station — a 21-year-old laboratory orbiting 250 miles above the Earth

5:06am PDT - May 29th, 2020    spacex docking - Business Insider

• SpaceX is preparing to launch two NASA astronauts on its Crew Dragon spaceship for the first time.
• The launch was scheduled for Wednesday afternoon but delayed until Saturday due to bad weather. 
• The two astronauts are headed to the…