Awe has become a subject of study in its own right rather than being grouped with general positive feeling. The reason is that it behaves differently, and the difference is specified fairly precisely.
The definition has two components
Researchers characterise awe as involving perceived vastness, something that exceeds the observer's ordinary frame of reference, combined with a need for accommodation.
Accommodation means that existing mental structures do not fit what is being encountered, so understanding has to be adjusted rather than simply added to.
Vastness alone produces admiration or fear, and the requirement to revise is what separates awe from both.
It is not reliably pleasant
Awe includes experiences that are unsettling, since something exceeding one's frame of reference can be threatening as readily as it can be uplifting.
Accounts of storms, high places and overwhelming scale often carry fear alongside wonder, and both are considered part of the same category.
This is why awe is classed separately from happiness or contentment, which do not carry that ambivalence.
The self shrinks in the reported experience
People experiencing awe frequently describe feeling small, and this has been examined under the term small self.
Accompanying it is a reduced preoccupation with personal concerns, which appear less pressing while the state persists.
Experimental work has associated awe induction with increased willingness to help others and with more collective rather than individual self-description, though effect sizes vary and the durability of the shift is not well established.
Triggers are broader than landscape
Nature is the most studied source, but awe is reported in response to music, architecture, moral exemplars, scientific explanation and the birth of a child.
What these share is the two defining components rather than any particular content, which is what makes the category useful.
Everyday awe appears more often than dramatic awe in diary studies, which suggests it is a more routine part of experience than the vocabulary implies.
Why contemplative traditions arrange for it
Religious architecture, liturgical music, mountain and desert retreats and large gatherings all reliably supply vastness and exceed ordinary frames of reference.
Traditions arrived at these methods empirically over centuries, without the vocabulary now used to describe what they produce.
Which is why the modern research reads less as a discovery than as a description of something long known and deliberately engineered, in terms that can now be tested.