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When volcanoes like Alaska's Mount Spurr erupt, the ash can damage people's lungs, smother crops and kill animals, and the harm can continue to spread long afterward.

An education scholar explains how some teachers and school counselors are quietly resisting what they see as political incursion into the classroom.

After a group of employers refused to provide their employees access to free HIV prevention treatment, the Supreme Court may decide whether insurers are required to fully cover preventive care.

Touring has become one of the few reliable income streams for working musicians. But a new study finds that the benefits from opening for major artists are often fleeting.

Is a US-China war inevitable? Perhaps that isn't the lesson leaders should be taking from the 'History of the Peloponnesian War.'

Water-rich meteorites contain key ingredients for life, yet they barely appear in meteorite collections. Recent research using shooting stars may explain why.

Sophal Ear, a Cambodian scholar who fled the Khmer Rouge as a child, reflects on 50 years since the murderous regime took control.

Steps taken to reform Social Security during the Biden and Trump administrations have only made the prospects for a funding crisis more serious.

An allergic reaction happens when your immune system overreacts to something that should be harmless. Whether that happens can be thanks to your genes, your environment or a combination.

President Donald Trump's second term and the Supreme Court's conservative activism have lit a fire in Republicans, who are targeting same-sex marriage as part of a broader attack on LGBTQ+ rights.