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New research outlines how the savvy blue dasher lives happily in storm drains and park ponds others flee.

In 1978, Jerry Slocum assembled the first International Puzzle Party in his living room. Now it's a global event.

A draft of an upcoming White House report on children's health was not as harsh toward the agriculture industry as some of Robert F. Kennedy Jr.'s allies had hoped.

The move comes as the Trump administration has issued a barrage of new restrictions on renewable energy across the country.

The dismantling of U.S.A.I.D. has disrupted the global supply chain that provides a therapeutic food, leaving thousands of malnourished children at risk of dying.

Countries failed to bridge wide gaps on whether the world should limit plastic manufacturing and restrict the use of harmful plastic chemicals.

Elon Musk's rocket company relies on federal contracts, but years of losses have most likely let it avoid paying federal income taxes, according to internal company documents.

Anti-vaccine groups had sought the revival of the task force.

Astronomers had hoped to observe an atmosphere on one of the seven planets known to orbit Trappist-1, a red dwarf star. A new study found nothing to write home about.

A cognitive scientist, she used the language of computers to explore the nature of human thought and creativity, offering prescient insights about A.I.