At the uppermost reaches of stream networks, headwaters dry up during the summer, then burst back into existence when spring ...

Imagine if Earth's history had a mystery novel, and one of its biggest unsolved puzzles was: Where did all the nitrogen go?

Brooks just announced the newest addition to their sneaker catalog; the Ghost 17. Now available for preorder, the Ghost 17 isn’t just a refresh of an old favorite.

Combined with earlier buyouts and retirements, the Health and Human Services Department will be left with 62,000 employees, down from around 82,000. Agencies face an April 14 deadline to present ...

1 College of Environmental Science and Engineering, Ocean University of China, Qingdao, China 2 Lishui Ecological and Environmental Monitoring Center of Zhejiang Province, Lishui, China Nitrogen ...

Arkansas could be the next state to put a person to death using nitrogen gas. On March 18 Gov. Sarah Huckabee Sanders signed Act 302 into law, which allows nitrogen hypoxia to be used to kill death ...

State Key Laboratory of Green Chemical Engineering and Industrial Catalysis, School of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China State Key ...

Xiangya School of Pharmaceutical Sciences, Central South University, Changsha 410013, PR China Hunan Key Laboratory of Diagnostic and Therapeutic Drug Research for Chronic Diseases, Central South ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Violent supernovas ...

ANGOLA, La. (AP) — Louisiana used nitrogen gas to put a man to death Tuesday evening for a killing decades ago, marking the first time the state has used the method as it resumed executions ...

Deaths of nearby massive stars may have played a significant role in triggering at least two mass extinction events in Earth's history, according to new research. The explosive supernova deaths of ...