Up a creek without paddle? Researchers suggest 'gunwale bobbing'

Stand up in a canoe and you'll probably find yourself in the water before too long. Jump up and down on the upper edges of the sides of the canoe, and you'll likely end up in the drink as well. But get the balance right and ...

Cities face crisis as fewer kids enroll and schools shrink

On a recent morning inside Chalmers School of Excellence on Chicago's West Side, five preschool and kindergarten students finished up drawings. Four staffers, including a teacher and a tutor, chatted with them about colors ...

The search for ancient life on Mars

The first year of the Perseverance rover mission on Mars captured the imaginations of scientists and the public alike with an interplanetary helicopter flight and the first chance to hear the sounds of the red planet.

Not enough or too far? California climate plan pleases few

Heat waves and drought gripping California highlight the urgency to slash fossil fuel use and remove planet-warming emissions from the air, a top state official said Thursday during discussions of a new plan for the state ...

Tree species diversity under pressure

In a new global study of more than 46,000 species of trees, an international team of researchers has shown that many tree species are under substantial pressure and poorly protected. The research team, headed by Aarhus University, ...

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