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For more than a century, physicists have argued about which way a submerged sprinkler sucking in water would spin. Careful experiments provide a clear answer.

Residents fear that the Trump administration's plans to build a border wall will threaten the region's spectacular starry skies.

Native American tribes and environmental groups are expected to challenge the move to shrink the Bears Ears and Grand Staircase-Escalante National Monuments.

It's the first time a sugar molecule has been detected in interstellar space. The discovery provides tantalizing new clues into how life may have arisen on Earth.

A federal appeals court overruled a district court judge who dismissed the lawsuits, citing unreliable scientific evidence.

As yellow-legged hornets spread through South Carolina's Lowcountry region, threatening the local honey crop, a state team of bee defenders is racing to the rescue.

The condition that killed Senator Lindsey Graham is deadly, sudden and difficult to treat -- "like a knife to the back," one expert said.

Lung cancer remains the leading cause of cancer deaths in the United States and older adults are at higher risk. But only about a quarter of patients eligible for screening are up-to-date.

The 2016 release has become the most watched movie on Disney+. Parents and experts explain why kids can't get enough.

A space neophyte not long ago, China is now the United State's main competitor for supremacy throughout the solar system.