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Mind

What is love? Even a meeting on the subject can't find the answer

Scientists recently gathered for a conference called Love, Actually and in Theory, but didn't settle on a definition of the topic at hand

By Carissa Wong

18 May 2026

What is love? It’s a question that has befuddled philosophers for millennia, and scientists today still aren’t sure

Niall McDiarmid/Millennium Images, UK

A smitten couple lean in for a kiss in a hotel lobby as I beeline towards a softly lit conference room buzzing with first-date energy. I am here to attend the Love, Actually and in Theory meeting, organised by the Royal Society, in Edinburgh, UK. As a romantic myself, I am hoping to get an answer to one of life’s biggest mysteries: what is love?

Over the next two days, I heard dozens of researchers – from evolutionary biologists and neuroscientists to psychologists – share their perspectives on that instinctive-yet-elusive thing called love, with a heavy focus on the romantic kind.

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