Replaying childhood games can stir powerful nostalgia, but the magic often fades because memory, identity, attention and gaming skills change with age.

As insects move uphill to escape warming temperatures, thin air and low oxygen could create unexpected challenges for survival.

CTE was confirmed in at least a quarter of NFL players who died over six years, and the most advanced cases were linked to dementia.

Older adults remember one-time events as accurately as younger people, but routine memories reveal surprising differences in how recall changes with age.

A new egg-eater snake species from Ethiopia's Harenna Forest looks just like a common relative - except it's lost the ability ...

The WMO's annual report on the state of global water resources finds that the water cycle is getting out of balance. Climate ...

Poor sleep late in pregnancy is linked to an unexpected pattern in how babies gain weight during their first two years of life.

Long-term monitoring reveals that young Sable Shearwater birds are now swallowing far more plastic than in earlier years.

Corals can develop vaccine-like protection after exposure to inactivated pathogens, helping them fight infection even under heat stress.

Nitrate in groundwater is hard to destroy, but an iron catalyst ringed with hydrogen bonds broke it down into ammonia, the ...

A searchable global food web now holds nearly 14,000 records of animals mid-meal, helping scientists piece together who eats ...

Warming oceans are expected to make mollusks smaller, but a global analysis reveals a much more complicated future across the ...