
Expedition 55 crew member Drew Feustel of NASA

Expedition 55 crew members Ricky Arnold and Drew Feustel of NASA

Expedition 55 prime and backup crew members in front of the Tsar Bell

Expedition 55 crew members at St. Basil’s Cathedral in Red Square in Moscow

Expedition 55 prime and backup crew members following a crew news conference

Expedition 55 prime crew members following a crew news conference

Operators powered one of NASA’s Space Launch System (SLS) engines up to 113 percent thrust level, the highest RS-25 power…

Phobos and Deimos, the moons of Mars, are seen in this movie.

During MIT’s “Better MIT Innovation Week 2018,” a group of experts — including NASA Chief Technologist Douglas Terrier — discussed…

NASA Chief Technologist Douglas Terrier joined students, faculty and experts in Boston as part of MIT’s “Better MIT Innovation Week…