Starlust on MSN

Andromeda is headed toward the Milky Way, while other galaxies are moving away—and now we know why

A sheet of dark matter lying beyond the boundary of the Local Group is responsible for this.
devinsupertramp on MSN

We built a giant zipline through the city

We set out to build one of the biggest urban ziplines ever, stretching across buildings and streets — and then we rode it. This video covers the full process: design, setup, and test rides, along with ...