Hard rock minerals like gold, silver, copper and lithium on public lands belong to the American public, but under a 150-year-old law, the US gives them away for free.

Most people don’t know what these labels really mean − and advertisers take advantage of that fact.

On Feb. 7, 2024, the EPA strengthened the federal limit for annual levels of fine particulate air pollution, or PM2.5. Many serious health effects have been linked to PM2.5 exposure.

The US, a minor liquefied natural gas supplier a decade ago, now is the world’s top source. That’s good for energy security, but bad for Earth’s climate. An energy scholar explains the trade-offs.

Although most Americans believe dietary supplements are safe, these products often make health claims that are unproven or downright false.

Although most Americans believe dietary supplements are safe, these products often make health claims that are unproven or downright false.

Tianeptine is dangerous as an active ingredient, but the products containing it have no quality control and could be contaminated with metals, microorganisms or other undisclosed drugs.

President Biden has called for protecting large, old trees from logging, but many of them could be cut while the regulatory process grinds forward.

An important but controversial legal doctrine, known as Chevron deference, is at issue in two fishing cases. The outcome could affect many sectors across the nation.

MIT community members made headlines with key research advances and their efforts to tackle pressing challenges.