TODAY, 26 February, 4 pm PST / 7 pm EST
Astronomers may have found the “missing link” in the story of the Milky Way’s most common planets.
For years, scientists have known that planets between Earth and Neptune in size — often called super-Earths and sub-Neptunes — dominate our galaxy. But how they form, evolve, and sometimes lose their atmospheres has remained one of the biggest open questions in exoplanet science.
New research may finally connect the dots.