How do you ask the universe if it's alive? From testing for metabolism to looking for ...
Using light to find the ingredients for a soul. By breaking light into its component wavel...
The long view vs. the close-up. One scans the horizon of the universe for habitats, while ...
Our metal emissaries on other worlds. While telescopes look from afar, rovers get their &q...
The microscopic factory of existence. Whether it's a single-celled bacteria or part of...
The next generation of cosmic hunters. From massive ground telescopes to space-based obser...
When the universe tries to trick us. Just because there is oxygen doesn't mean there i...
Does the planet have a "green" thumb? Chlorophyll in plants reflects near-infrar...
Life is a messy neighbor. On a dead planet, gases eventually settle into a stable balance;...