The launch will be streamed in the early hours of Friday morning ET, and the crew should arrive at the ISS just hours later.
Video clips document the spacewalk from start to finish, showing the pair at work during their seven-hour mission in the vacuum of space.
Astronauts are able to vote from space thanks to a 1997 Texas law sponsored by a senator who was upset about an astronaut who missed the 1996 presidential election.
The photograph was taken by one of the astronauts onboard as the space station flew over the Caribbean Sea.
At one point on Tuesday, Genevieve clocked wind speeds of around 130 miles per hour, making it a powerful Category 4 hurricane. It has now weakened to a tropical storm after lashing Baja California.
An attachable module to a spaceplane expected to make deliveries to the International Space Station may become the basis for a new class of miniature space station.
NASA said bonus points will be awarded for designs that can capture the vomit of sick crew members without them having to put their head in the toilet.
The International Space Station's two Russian toilets will be joined by the American-made Universal Waste Management System, which will also be used in future deep space exploration.
Cold Atom Lab experiment led to the production of Bose–Einstein condensates.
This is the final flight test for the SpaceX's next-generation Crew Dragon spacecraft.
NASA administrator Jim Bridenstine confirmed that Cruise is working on a project that would involve the International Space Station.
Before launching astronauts to the International Space Station, great care is already taken to prevent the crew from bringing potentially dangerous viruses and pathogens onboard with them.
Red romaine grown on board the International Space Station found to be just as good as plants cultivated on Earth.
The Mississippi River Delta, visible in the images, is the seventh largest river delta on Earth.
During the mission, Koch took part in what was the first all-female spacewalk alongside NASA astronaut Jessica Meir.
The volcano is infamous for a catastrophic eruption in 79 A.D. that destroyed the Roman settlements of Pompeii, Herculaneum, Oplontis and Stabiae.
"Australia. Our hearts and thoughts are with you," Koch wrote in a Twitter post.
Adidas is putting its footwear technology to the test on a NASA space mission as part of a new long-term partnership with the International Space Station in 2020.
The research could expand our understanding of how plants react to the stresses of space travel.
The photo was snapped by Jessica Meir, who took part in the first all-female spacewalk last month.
The explosion occurred on the surface of a pulsar around 11,000 light-years away.
The composite image was made of over 400 photos taken as the International Space Station moved over Namibia to the Red Sea.
The spacewalk is expected to last more than five hours, according to NASA.
This is the first time in over fifty years of space exploration that two women will space-walk at the same time.
An astrophysicist told Newsweek the walk "represents years of dedication, study, hard work, and pushing limits and that is truly inspirational."
To create the cultivated beef steaks, an Israeli start-up devised a method which mimics the natural process of tissue regeneration inside a cow's body.
Originally scheduled for March, the space walk was scrapped when ground control realized there were not enough medium-sized spacesuits for both female astronauts.
Maine's first female astronaut, Jessica Meir, leaves for the International Space Station September 25.