Researchers say they have discovered an entirely new class of life inside the human body, and it is very similar to a virus.

Human brains today contain 50% more plastic than in 2016, a new study found. Brain of people diagnosed with dementia had the most.

Researchers studied samples of human brains and found high levels of microplastics, but it's unclear how they slip past the ...

New research suggests that most of the atoms within the human body likely spent part of their lives drifting beyond the Milky Way on a cosmic "conveyor belt," before eventually returning to our galaxy ...