The International Space Station continues to act as humanity’s outpost in low-Earth orbit, a role that began at the turn of ...

The concept known as “Kessler Syndrome” was proposed nearly five decades ago. Experts weigh in on whether the space-based disaster scenario is already unfolding.

The astronauts on the I.S.S. — including two who were scheduled to return months ago — held a zero-gravity cookie-decorating ...

NASA astronauts Sunita "Suni" Williams and Barry "Butch" Wilmore have reached their six-month milestone of being stranded on ...

The International Space Station had to fire thrusters from a docked spacecraft last month to avoid a piece of debris that has ...

Blast Off To This Underrated Space Museum In Florida For An Out-Of-This-World Experience Ever dreamed of touching the stars?

SpaceX’s success prompted CNBC to suggest that “the space company has a near-monopoly on the U.S. satellite launch market … as its rivals have struggled to field operational rockets to compete.” This ...

Alexey Ovchinin and Ivan Vagner, both cosmonauts with the Russian space agency Roscosmos, will exit the International Space Station on Thursday.

The delay means what should have been an eight-day stay on the International Space Station for Suni Williams and Butch ...

A critical part of the training includes the use of microgravity simulators like parabolic flights and neutral buoyancy pools ...