Explore the dry, dim world of hypolithic or "under rock" cyanobacteria and measure and compare colony growth in deserts around the world.
Studies have shown that many lakes and streams are contaminated with human-made chemicals that water treatment facilities don’t remove.
Journalist Dave Levitan provides a guide to cut through the deceptive arguments politicians use to undermine scientific evidence.
In NASA's BASALT project, a team of engineers simulate challenges astronauts may face during a mission on Mars.
An older-than-expected archaeological dig in British Columbia is building the case for a long-inhabited Pacific coast.