The major storm fluctuated in intensity as it approached the U.S. East Coast.

Record rainfall inundated towns and farmland in the country's Thessaly region.

Phosphorus runoff from farmland surrounding Lake Champlain contributes to summer cyanobacteria blooms in the northeastern part of the lake.

An otherworldly landscape on a plateau in the Andes provides a natural laboratory for scientists studying Earth and Mars.

A stalled storm dropped three feet of rain over four days on the Thessaly region, triggering extensive flooding.

Late-season storms saturated the desert, leaving tens of thousands of festivalgoers stuck in the mire.

Using remote sensing, researchers have developed a method to guide the state of Maryland's tree-planting efforts.