Clues About Conditions on Early Earth As Life Was Emerging

What set the stage for the emergence of life on early Earth? There will never be a single answer to that question, but there are many partial answers related to the global forces at play during that period.  Two of those globe-shaping dynamics are the rise of the magnetic fields that protected Earth from hazardous …

The Virtual Planetary Lab and Its Search for What Makes an Exoplanet Habitable, or Even Inhabited

For more than two decades now, the Virtual Planetary Laboratory (VPL) at the University of Washington in Seattle has been at the forefront of the crucial and ever-challenging effort to model how scientists can determine whether a particular exoplanet is capable of supporting life or perhaps even had life on it already. To do this, …

“Nature Has Become More Beautiful.” Physicist Eugene Parker and his Life Unlocking Secrets Of The Sun

  When  Eugene Parker was 16 years old,  he decided he didn't want to spend the summer hanging out in suburban Detroit.  So Parker went up to the state capital looking to buy some tax delinquent land held by the state. He selected a 40-acre piece of woods in far-off Cheboygan County, not far from …

The World’s Most Capable Space Telescope Readies To Observe. What Will Exoplanet Scientists Be Looking For?

The decades-long process of developing, refining, testing, launching, unfurling and now aligning and calibrating the most capable space telescope in history is nearing fruition.  While NASA has already released a number of "first light" images of photons of light moving through the James Webb Space Telescope's optical system, the  jaw-dropping "first light" that has all …

The James Webb Space Telescope And Its Exoplanet Mission (Part 1)

    The last time Many Worlds wrote about the James Webb Space Telescope, it was in the process of going through a high-stakes, super-complicated unfurling.  About 50 autonomous deployments needed to occur after launch to set up the huge system,  with 344 potential single point failures to overcome--individual steps that had to work for …

Will The ISS Fall Victim to Russia’s Ukraine Invasion and Resulting Sanctions? Can The ExoMars Project Survive?

The United States and Russia have cooperated extensively and well in building and operating the International Space Station since the plan was formalized in 1993.  The European Space Agency, the Japan Aerospace Exploration Agency, and the Canadian Space Agency have played major roles since the beginning, but it was first and foremost a U.S.-Russian venture. …