El Nino warps weather worldwide. Meteorologists say the natural El Nino cycle is both adding to and feeling the heat of a warming world. A new study says a shift ...

Crocuses are thermoperiodic plants, which means they rely on temperature cues rather than day length to dictate their lifecycle. Their corms (a type of bulb) also usually need a cold spell in autumn ...

Saturday, June 15, marks the beginning of monsoon, and while we likely won’t mark the occasion with rain, Tucsonans may see signs of the season in the upcoming week. According to John Glueck, a ...

Extreme rainfall is reshaping coastal waters along South Korea's shoreline, flushing nutrients from land into the sea and fueling the growth of algal blooms. A new multi-year study, published in ...

Petroglyphs on sandstone at a national park in Chad bear witness to wildlife that once roamed the area before the continent’s ...