Trump EPA orders rollback of Obama mercury regulations (Update)

The Trump administration has targeted an Obama-era regulation credited with helping dramatically reduce toxic mercury pollution from coal-fired power plants, saying the benefits to human health and the environment may not ...

Marine debris study counts trash from Texas to Florida

Trash, particularly plastic, in the ocean and along the shoreline is an economic, environmental, human health, and aesthetic problem causing serious challenges to coastal communities around the world, including the Gulf of ...

NASA spaceship closes in on distant world

NASA's unmanned New Horizons spacecraft is closing in on its historic New Year's flyby target, the most distant world ever studied, a frozen relic of the solar system some four billion miles (6.4 billion kilometers) away.

Scientists learn how to predict space radiation levels

Experts from the National Research Nuclear University MEPhI (Russia), the University of Oulu (Finland), and the St. Petersburg-based Ioffe Physical-Technical Institute of the Russian Academy of Sciences (Russia) have compared ...

Winter storms batter large swaths of US

At least six deaths were attributed to severe weather in the US as heavy snow and high winds snarled air and ground transportation during a busy holiday travel period.

A brief history of black holes

Late in 2018, the gravitational wave observatory, LIGO, announced that they had detected the most distant and massive source of ripples of spacetime ever monitored: waves triggered by pairs of black holes colliding in deep ...

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