NASA's Artemis II crewed mission to the moon shows how U.S. space strategy has changed since Apollo -- and contrasts with China's closed program.

Celebrating the lasting legacy of our planet's off-world laboratory since it was first inserted into orbit in 2000, NOVA presents a two-part exploration of the venerable International Space Station ...

The International Space Station is turning 25 this month. Twenty-five years of people from all over the world living together and working together in space. At the same time, it is starting to wrap up ...

A nuclear engineer reacts to an ambitious concept explored by PBS Space Time: could antimatter-powered spacecraft exist ...

Image: Expedition 14 Commander Michael Lopez-Alegria on the International Space Station in the world’s first HDTV broadcast from space. Image credit: Discovery Channel. Images from the world’s first ...

Whenever we open a new window on the universe, we discover things that no one expected. Our newfound ability to measure ripples in the fabric of spacetime—gravitational waves—is a very new window, and ...

(via PBS Space Time) There are cosmic events so powerful that they leave permanent marks on the fabric of the universe itself. Imagine two colossal black holes spiraling into each other, yes they send ...

Space seems fundamental. To build a universe, surely you need something to build it on or in. Many, maybe most physicists now think that the fabric of space emerges from something deeper. And perhaps ...

This year is the 25th anniversary of the International Space Station. A new PBS documentary looks at how the ISS was built and the challenges of surviving in outer space. KUOW is Seattle’s NPR news ...