For more than 50 years, astronauts have been venturing into outer space and making seemingly impossible journeys a reality. If TV and film are any indication, the average person’s idea of an astronaut ...

Marley Freeman, “Ampersand” (2018), oil on canvas, 22 1/8 × 23 15/16 inches (unframed), 22 5/8 × 24 7/16 inches (framed) (all images courtesy of Karma) Marley Freeman has covered the walls of Karma ...

Launching a new age of human spaceflight in the United States, Elon Musk’s SpaceX can officially consider itself the first-ever company to send humans into space on a commercial spacecraft. So without ...

NASA has been studying an architecture called LunaNet for lunar communications and navigation that could require a new time standard. Credit: NASA Building space policy is hard enough. It’s harder ...

In this paper, we establish various relationships among the Fourier-Feynman transform, convolution and first variation of functionals in some Banach algebra, defined on the space of abstract Wiener ...

It’s time we talked about loop quantum gravity. What exactly is it? What are the loops? And can it really defeat string theory in our quest for a Theory of Everything? PBS Space Time is available to ...

"Which blockchain are you building on?" It's the question I hear at every tech conference, startup meetup, and investor pitch. As a technology journalist who's covered the blockchain space for over a ...