Worlds that circle stars other than our own are called “exoplanets.” This specific one could be the very first planet like ...

Ah, Earth. We may not think about our planet on a day-to-day basis, but the world we live in is a pretty interesting place. The third rock from the Sun—and to this day, the only one with known ...

Forget the neat, tidy narratives you might have heard in school about a stable, unchanging Earth. Just like history, our ...

What planet is most like Earth? Reseachers have identified several exoplanets similar to our planet, but none that are an exact twin. Learn how new technology could help aid in the search. Although ...