Amid funding cuts and political barriers, researchers are asking whether the campaign can ever succeed, and what to do next.

YouTube video by Scott MacFarlane Reports

Dark matter and dark energy are mysteries that have confounded scientists for decades, even though they comprise 95% of the universe's mass.

Soaring oil costs signal the great transfer of wealth away from households, but also a new opportunity to redistribute it, say economists Isabella Weber and Gregor Semieniuk