Climate change is colliding with old factory sites where soil or water contamination still exist, and the most vulnerable populations are particularly at risk.

Some people are outraged that human negligence will disfigure the Moon. But that’s not the main issue.

As surface water diminishes in the Western US, people are drilling deeper wells – and tapping into older groundwater that can take thousands of years to replenish naturally.

As surface water diminishes in the Western US, people are drilling deeper wells – and tapping into older groundwater that can take thousands of years to replenish naturally.

An increasing number of communities are discovering dangerous contamination in their water systems weeks or months after fires.

Reports from baby food companies show questionable levels of arsenic, lead and other heavy metals. Here's what parents need to know.

Baby foods with rice or root vegetables, like carrots and sweet potatoes, had some of the highest levels, but they weren’t the only ones.

The space laws designed to protect planets and moons from contamination.

At-home mask makers should carefully consider fit and fabric variables when designing face coverings to help prevent transmission of SARS-CoV-2.