Expedition 52 Flight Engineer Jack Fischer of NASA shared photos and time-lapse video of a glowing green aurora seen from his vantage point 250 miles up, aboard the International Space Station.
As humans prepare to venture deeper into outer space, including potential trips to Mars, researchers are hard at work trying to understand and mitigate the effects of low gravity and radiation on space travelers' bodies.
Moon dust that Neil Armstrong collected during the first lunar landing was displayed Thursday at a New York auction house—a symbol of America's glory days in space now valued at $2 million to $4 million.
Virgin Galactic successfully conducted another unpowered test flight of its space tourism spacecraft over the Southern California desert, the company said.
SpaceX on Thursday will attempt its first-ever cargo delivery to the astronauts living in orbit using a vessel that has already flown to space once before, the California-based company said.
Soviet cosmonaut Viktor Gorbatko, a colleague of Yuri Gagarin, the first man in space, died Wednesday at the age of 82, Russia's space agency said.
The first test flight of NASA's Orion capsule, designed to one day carry people to Mars, has been delayed until 2019 at the earliest due to high costs, the US space agency said Friday.
On Saturday April 22, 2017, Expedition 51 Flight Engineer Thomas Pesquet of the European Space Agency photographed Orbital ATK's Cygnus spacecraft as it approached the International Space Station.
A Soyuz space capsule on Thursday safely delivered an American astronaut making his first space flight and a veteran Russian cosmonaut to the International Space Station.
Space debris - a journey to Earth takes the audience on a journey from the outer solar system back to our home planet. The objects encountered along the way are manmade. Originally designed to explore the universe, these ...