The WFIRST Space Observatory Becomes the Nancy Grace Roman Space Telescope. But Will it Ever Fly?

Earlier last week, NASA put out a release alerting journalists to  "an exciting announcement about the agency’s Wide Field Infrared Survey Telescope (WFIRST) mission." Given the controversial history of the project -- the current administration has formally proposed cancelling it for several years and the astronomy community (and Congress) have been keep it going -- …

NASA’s Planet-Hunter TESS Has Just Been Launched to Check Out the Near Exoplanet Neighborhood

A SpaceX Falcon 9 rocket transporting the TESS satellite lifts off from launch complex 40 at the Cape Canaveral Air Force Station in Cape Canaveral, Fla., Wednesday, April 18, 2018. The space telescope will survey almost the entire sky, staring at the brightest, closest stars in an effort to find any planets that might be …

NASA's Planet-Hunter TESS Has Just Been Launched to Check Out the Near Exoplanet Neighborhood

This column was written by my colleague Elizabeth Tasker, now at the Japan Aerospace Exploration Agency (JAXA), Institute of Space and Astronautical Sciences (ISAS).  Trained as an astrophysicist, she researches planet and galaxy formation and also writes on space science topics.  Her book, "The Planet Factory," came out last year. On January 5, 2010, NASA …

With the Main JWST Mirror Completed, Scientists Focus On How To Best and Most Fairly Use It Once In Space

Recent word that the giant mirror of the James Webb Space Telescope is essentially complete is a cause for celebration, a milestone in the long march toward launching what will be the most powerful astronomical instrument ever.  NASA Administrator Charlie Bolden made the announcement at the Goddard Space Flight Center, with senior project scientist John …

With the Main JWST Mirror Completed, Scientists Focus On How To Best and Most Fairly Use It Once In Space

Recent word that the giant mirror of the James Webb Space Telescope is essentially complete is a cause for celebration, a milestone in the long march toward launching what will be the most powerful astronomical instrument ever.  NASA Administrator Charlie Bolden made the announcement at the Goddard Space Flight Center, with senior project scientist John …