To assess whether NK cells were involved in antitumor response generated by fasting, Delconte and her team depleted these ...

The weakening of the Atlantic meridional overturning circulation could be bolstering rainfall over the Amazon, reducing the ...

In a study of 12 heterosexual couples, researchers noted the presence of a partner's genital bacteria after sex, even when ...

From the beginning of time to the origins of life, our "when" special series tackles the timing of crucial events and the ...

The more we discover about our species' family tree, the harder it becomes to pinpoint when exactly Homo sapiens emerged, ...

Atomic clocks are more accurate than those used to define the second, suggesting the definition might need to change ...

Some cyanobacteria have pigments that specialise in harvesting green light to power their photosynthesis, which may be an evolutionary adaptation to a time when the oceans were iron-rich and green-tin ...