When you think of illegal immigration in the U.S., do you picture a border crosser or a visa overstayer? A family or a single person? A farmworker or a waiter? People living in the U.S. without legal status are frequently invoked in American politics - especially in recent months.

On Wednesday afternoon, all major hospital groups, including the American Hospital Association, the Association of American Medical Colleges, the Catholic Health Association of the United States and the Children's Hospital Association, came out against the Republican bill.

To find out, authors of the study carbon-dated bodies preserved at the American Museum of Natural History and analyzed the DNA preserved to varying degrees within them. They found that the bodies had been buried over the 330 years that spanned the society's beginning to its decline - not just at the peak of its influence between the 11th and 12th century, as others had once thought.

The mammoths on St. Paul survived until 5,600 years ago, but the reasons for their extinction have long been a matter of speculation. Last August, a team led by Russell W. Graham of Pennsylvania State University ruled out all the leading candidates, including human predation, polar bears, increased winter snowpack, volcanic activity and changing vegetation.

Snap , the parent company of Snapchat, saw its stock open at $24 a share in its public market debut Thursday, valuing it at about $33 billion. At that price, Snap will spawn a new group of paper billionaires and millionaires.

(CNN) -- President Donald Trump is planning to sign a revised executive order banning travel from certain Middle Eastern and African countries early next week, as soon as Monday, at the Department of Homeland Security, an administration official told CNN, cautioning that plans could change.

It depends on the kind of rice you choose. White rice is considered a nutritionally inferior "refined grain" because its bran and germ are removed during the milling process, which strips away B vitamins, iron and fiber. Though white rice is typically enriched with iron and B vitamins, fiber is not added back.

"Reports concerning potentially politically motivated investigations immediately ahead of the 2016 election are very troubling," Spicer said, posting the statement on Twitter. "President Donald J. Trump is requesting that as part of their investigation into Russian activity, the congressional intelligence committees exercise their oversight authority to determine whether executive branch investigative powers were abused in 2016.

After years of haranguing Democrats for Obamacare's shortcomings and running dress rehearsals to repeal it, Republicans this week may finally lay down a specific and actionable plan to scrap the Affordable Care Act and face the praise as well as the consequences. "We're working through the final details of this," Rep.

The story of Jesus is central to the Christian faith, but a small group of deniers say Jesus was no more than an allegory for a spiritual journey.

Washington has become a hall of mirrors, where it's impossible to distinguish between rumor and fact as conspiracy theories and partisan paroxysms rage -- all arising from an alleged Russian spy plot to sway last year's election that is now clouding the new administration.

Ms. Puig, 63, works with groups of employees, from the back of the house to the front, on every aspect of their work except the food. On a recent Tuesday morning, she led a dozen workers in a discussion about the planned remodeling of their changing rooms. Ms. Puig asked them what they wanted from the rooms. Did they need privacy when looking into the mirror?

Whether from polluted air or heavy cigarette smoking, the fastest-growing cause of death in New York during the 1960s was pulmonary emphysema. Deaths from chronic bronchitis also soared. "On the autopsy table it's unmistakable," a city medical examiner told The New York Times in 1970.

American mothers infected with the Zika virus last year were 20 times as likely to give birth to babies with birth defects as mothers who gave birth two years before the epidemic, federal health officials said Thursday.

When the Europeans first came to North America, forests were so dense and continuous that a squirrel could have traveled from the Atlantic coast to the Mississippi without ever touching the ground, some historians say. Since then, agriculture, logging, urban development and other human activities have thinned or wiped out these once-lush forests.

Edward E. David Jr., Who Elevated Science Under Nixon, Dies at 92

In a fiery reminder of its presence and its power, Mount Etna roared to life this week on the island of Sicily, sending red-hot fountains of molten rock and ash high into the air and down the slopes of Europe's largest and most active volcano.

Southeastern Australia has suffered through a series of brutal heat waves over the past two months, with temperatures reaching a scorching 113 degrees Fahrenheit in some parts of the state of New South Wales. "It was nothing short of awful," said Sarah Perkins-Kirkpatrick, of the Climate Change Research Center at the University of New South Wales, in Sydney.

But additional specimens from other sites came to light over the past two decades, and many of them have withstood scrutiny. There is now solid evidence of life dating back about 3.5 billion years. Earth was a billion years old by then, and scientists have long wondered if even older fossils might be found.

Before you start to worry, this isn't a sign of an impending apocalypse. Working in conjunction with NASA, lead researcher Dr. Anita Goel hopes that by sending MRSA bacteria to a zero-gravity environment, we can better understand how superbugs mutate to become resistant to available antibiotics.