As you age, heat waves become more dangerous

Pets give companionship, cuddles and joy – and also unavoidable stresses

Emily Hemendinger, University of Colorado Anschutz Medical Campus

Pets often become an integral part of the family system, and some people say their bond to their pet is akin to that of a human child.

More military veterans and active duty service members are dying by suicide than in battle – understanding why can help with prevention

April Smith, Auburn University

Suicide among military service members in the US is a growing problem. A lack of a sense of belonging and feeling like a burden are key risk factors.

US participation in space has benefits at home and abroad − reaping them all will require collaboration

Cheyenne Black, University of Oklahoma

You have the US space program to thank for some of the technology in your phone and laptop.

An ancient manuscript up for sale gives a glimpse into the history of early Christianity

Ian N. Mills, Hamilton College

A collection of manuscripts from ancient Egypt reveals the variety of early Christian scriptures before the consolidation of the Bible.

How opioid treatment centers can overcome bipartisan NIMBYism to build local support

Justin de Benedictis-Kessner, Harvard Kennedy School; Michael Hankinson, George Washington University

A Philadelphia neighborhood is pushing back against the city’s plan to expand an existing shelter to serve people in active addiction.

Campus protests are part of an enduring legacy of civil disobedience improving American democracy

Lawrence Torcello, Rochester Institute of Technology

In most cases, it’s reasonable to expect that groups of protesters will abide by the law. But there are times when doing so diminishes the effectiveness of the protests.

Biden and Trump will fight for Michigan’s votes county by county in a state where little things matter a lot

Dante Chinni, Michigan State University

Since 1992, Michigan voted reliably for Democratic presidential candidates. Then Donald Trump won the state in 2016, followed by Biden’s 2020 win in the state. Michigan is a ‘battleground state.’

Kenyan president will receive White House praise over troops-to-Haiti move − but lack of action across Americas should prompt regional soul-searching

Jorge Heine, Boston University

Kenya’s William Ruto will meet President Joe Biden during a rare US state visit from an African leader − and one that comes as Haiti’s crisis spirals.

We mapped a lost branch of the Nile River – which may be the key to a longstanding mystery of the pyramids

Timothy J. Ralph, Macquarie University; Eman Ghoneim, University of North Carolina Wilmington; Suzanne Onstine, University of Memphis

Why build pyramids in the desert? A centuries-old puzzle may be answered by the slow wandering of the Nile.

Americans leave a huge chunk of change at airport security checkpoints − here’s what it means for the debate over getting rid of pennies

A century ago, anti-immigrant backlash almost closed America’s doors

AI chatbots are intruding into online communities where people are trying to connect with other humans