Scientists are unsure if warming temperatures are causing the bizarre invertebrates to spread.

Maps and graphics show the extent of the devastating flooding caused by Hurricane Harvey in Houston and Texas.

Harvey has been devastating beyond Houston. Here's the latest.

The storm is not expected to relent until Wednesday afternoon.

For the past several weeks, monsoon-triggered floods have devastated regions in Nepal, Bangladesh and India. This week, a new series of storms has brought everyday life in Mumbai to a near halt.

Several factors have conspired to make Hurricane Harvey so destructive in Texas, and warming temperatures are likely part of the problem.

“Local rainfall amounts of 50 inches would exceed any previous Texas rainfall record. The breadth and intensity of this rainfall are beyond anything experienced before,” said a statement from the National Weather Service. “Catastrophic flooding is now underway and expected to continue for several days.”

Study calculates energy Harvey took from the ocean, shows human role.

The remnants of Harvey re-intensified into a hurricane on Thursday, and it may become a major hurricane by Friday.

Human adaptation to climate change there is not going well

From greenhouse gases to tropical cyclones, and from the South Pole to the Sahara, the 37th issue of the annual State of the Climate report catalogs the climate in 2016.

Severe permafrost thaw and erosion along Koyukuk River banks.

The records highlighted in the "State of the Climate in 2016 report from the National Oceanic and Atmospheric Administration sound ominous.

Deforestation and climate change appear to be amplifying droughts in the Amazon

Scientists report the latest data from the Upper Gulf of Mexico, and the results aren’t good.

Another troubling sign of the poor state of this year's Pacific Ocean salmon runs was discovered on one the Klamath River's tributaries after an annual fish survey counted the second lowest number of spring-run Chinook salmon on record.

While it researches long-term solutions, Iqaluit is looking at small fixes, like flexible pipe connectors, to stop pipes from breaking and leaking.

A new report shows toxins from suppliers to companies like Tyson Foods are pouring into waterways, causing marine life to leave or die

By the end of the century, the global temperature is likely to rise more than 2 degrees Celsius, or 3.6 degrees Fahrenheit.