Tom Siegfried

All Stories by Tom Siegfried

  1. Scientists consider how to visit the closest exoplanet

    Even at only a little more than four light-years away, a trip to our closest exo-world could take some tens of thousands of years — unless we’re willing to settle for virtual visits.

  2. Physics

    Einstein taught us: It’s all ‘relative’

    One hundred years ago, a German physicist shared some math he had been working on. In short order, his theory of relativity would revise forever how people viewed the universe.

  3. Plants

    The man who rocked biology to its core