Uncategorized

  1. Planetary Science

    Cosmic rays could, in theory, sustain life on other worlds

    The hypothesis could extend the search for extraterrestrial life to include frigid planets with thin atmospheres and underground water.

    By McKenzie Prillaman
  2. Environment

    A glacier burst, flooding Juneau. Again. This one broke records

    A warming climate is behind growing floods of glacier meltwater in Alaska’s capital. Scientists say it’s the new normal.

    By Douglas Fox
  3. Anthropology

    A 104-centimeter-long hair could rewrite recordkeeping in Inca society

    Analysis of the hair used in a knotted device reveals the owner’s simple diet. That suggests commoners, not just the elite, kept records in Inca society.

    By Javier Barbuzano
  4. Physics

    Sunlight is all that’s needed to keep these tiny aircraft aloft

    Sun-powered fliers could use photophoretic forces to hover in the mesosphere, gathering data from a region off limits to planes and balloons.