The idea of string theory was first floated in the 1960s and '70s. Scientists may have found the first observational evidence that supports string theory -- a hypothetical framework in physics ...

There is ongoing theoretical debate regarding how and where to spot other worlds circling distant stars. And there are new ground and in-space observational tools that are locking into real-time data.

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Kathryn Snow does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond their ...