"Causation remains unproven." Scientists make concerning discovery while studying human tissues: 'These findings underscore the urgent need for further research' first appeared on The Cool Down.

In recent years, fires have blasted through cities in California, Colorado, the southern Appalachians and the island of Maui, ...

NASA scientists have uncovered significant changes in the global water cycle over the past two decades, largely driven by ...

A U.S. scientist searching for a civilization across 7 Earth clones circling the red dwarf star TRAPPIST-1 says its own alien ...

What species will become the next rulers of Earth when humans are no longer dominant? Which creatures might inherit the throne?

Pigs have played a major role in human history, from aiding explorers to becoming one of the most destructive invasive ...

Humans have become a geologic force by cooking the planet — using fire on a scale that is altering land, water, air and ...

Alaska’s northern pike, long thought to be confined to freshwater, are now crossing saltwater to invade new areas in Southcentral Alaska ... spread through connected freshwater systems or by human ...

The district attorney’s office in Harris County, Texas, has alerted attorneys involved in thousands of drug-related cases that rats were found eating the narcotics seized and stored by Houston police ...

Rats are consuming drugs that were seized and stored by Houston police and hundreds of cases could be vulnerable to the rodent infestation, officials said. It's an issue that has prompted the ...