unexplored

Although much is known about their lives and extinction, the ecological and evolutionary processes that led to their rise are largely unexplored.

For thousands of years, this “heavenly pit” or “tiankeng”, in Mandarin, was unexplored.

The idea that the shortened fibula had a distinct evolutionary benefit was relatively unexplored.

While scientists already knew of volcanic activity on the near side of the moon, which we can see from Earth, the "dark side" is very different in its geology, and remains largely unexplored.

For more than 70 years, entertainment, art and politics have been enmeshed in a complicated web, with Los Angeles playing an often unexplored role.