We’ve found lots of “habitable” worlds but we don’t know what factors are needed for life. There are lots of reasons to search for planets around other stars—exoplanets. A big one is to find other ...

Starshot is an interstellar travel expedition unlike any other before it. Yuri Milner’s Breakthrough Starshot is an interstellar travel expedition unlike any other before it. It’s many years in the ...

A nuclear engineer reacts to an ambitious concept explored by PBS Space Time: could antimatter-powered spacecraft exist within our lifetime? This video breaks down how antimatter propulsion would work ...

The universe thrums with quantum fields; and the particles of matter and force emerge as vibrational manifestations of the deep symmetries of these fields. The layers and reflections of those ...

(via PBS Space Time) There are lots of reasons to search for planets around other stars—exoplanets. A big one is to find other places in the universe that might harbor life. We only know of one such ...