“Awesome launch,” Joel Montalbano, NASA’s deputy space station program manager, said once the capsule reached orbit.

This marked the women's third spacewalk together.

Joshua Kudryk and Jenni Sidey-Gibbons, who both hail from Alberta, graduated Friday along with 11 Americans from NASA's basic astronaut training and will be part of the next generation of space explorers hoping to return to Earth's satellite and beyond.

"Congrats, Christina, on reaching new heights," NASA said.

A group of students are building and preparing a small research satellite for space at the University of Saskatchewan.

Men have floated out the hatch on all 420 spacewalks conducted over the past half-century. That changes Friday with spacewalk No. 421.

“We are proving that cultivated meat can be produced anytime, anywhere, in any condition,” said Aleph Farms CEO and co-founder Didier Toubia.

Astronaut Scott Kelly spent a year in space, while his identical twin brother stayed on Earth. NASA researchers then compared the two.

Space travel has a negative effect on the human body, including reactivating dormant viruses like herpes.

Donald Trump's proposed Space Force will be barred from fighting physical battles under international law, but that won't stop it from waging cyber warfare in orbit.