Scientists sprayed stressed tomato plants with a combination of manganese and an ingredient from crustacean shells with striking effects for tomato survival.

This new polyethylene yarn matches spandex's stretch—and unlike spandex, it can be melted down and re-spun repeatedly.

New research quantifies, for the first time, how much prescribed fire reduces mortality in the world's largest trees.

Researchers tracked nearly 2,800 people's habits, protests, and policy views to test whether small green acts help or hurt the bigger fight. Neither, it turns out.

A Yale study finds that combining three low-cost interventions could bring contaminated soils below safety thresholds within a decade, at a fraction of conventional cleanup costs.

Abu Dhabi National Oil Co., the UAE's state oil company, said it would change how it prices its crude oil grades.

Oil finished July with its strongest monthly gain since March as geopolitical conflicts raised concerns about global crude supplies.

ExxonMobil Holdings Corp. and Chevron Corp. plowed blowout profits into debt reduction rather than huge buyback increases.

Chevron Corp. posted record second-quarter results that outperformed expectations.

Crude oil stocks, not including the SPR, stood at 404.5 million barrels on July 24, the EIA's latest weekly petroleum status report showed.