Arkansas state Sen. Bart Hester, defends his bill preventing local governments from passing their own anti-discrimination laws. On Thursday, a Fayetteville law was struck down by the state Supreme Court. Danny Johnston/AP hide caption

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Danny Johnston/AP

Iraqi forces gather at Mosul's airport during an offensive to retake the western side of the city from ISIS Thursday. Government forces reportedly entered the airport on the southern edge of the city for the first time since 2014. Ahmad Al-Rubaye/AFP/Getty Images hide caption

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Ahmad Al-Rubaye/AFP/Getty Images

Sen. John McCain, R-Ariz., speaks during the Munich Security Conference last week. McCain's office has confirmed that while he was overseas, he met with U.S. forces in Syria about defeating ISIS. Matthias Schrader/AP hide caption

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Matthias Schrader/AP

Scientists rallied for evidence-based public policy outside the American Geophysical Union's fall meeting in San Francisco in December. Marcio Jose Sanchez/AP hide caption

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Marcio Jose Sanchez/AP

Should Scientists March? U.S. Researchers Still Debating Pros And Cons

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Cressida Dick, who worked for Scotland Yard for 31 years before leaving to work for Britain's Foreign Office, has been named the new commissioner of London's Metropolitan Police Service, the first woman to lead Scotland Yard in its 188-year history. Charlotte Ball/AP hide caption

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Charlotte Ball/AP

The Trump administration has reversed federal guidance that directed public schools to allow students to use the restrooms and locker rooms that corresponded to their gender identities. Sara D. Davis/Getty Images hide caption

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Sara D. Davis/Getty Images

U.S. Immigration and Customs Enforcement arrested 680 people during the first week of February. The memos call for 10,000 more ICE officers and agents as well as 5,000 more agents at U.S. Customs and Border Protection. Bryan Cox/ICE via AP hide caption

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Bryan Cox/ICE via AP

Military veterans protesting the pipeline stand opposite police guarding a bridge at the edge of the Standing Rock Sioux Reservation on Dec. 1, 2016. Scott Olson/Getty Images hide caption

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Vijayan's night frog (Nyctibatrachus pulivijayani), a 13.6 mm miniature-sized frog from the Agasthyamala hills in the Western Ghats in India, sits comfortably on a thumbnail. It is one of seven newly discovered frog species. SD Biju hide caption

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SD Biju

Death row inmate Duane Buck, seen here in an undated photo provided by the Texas Department of Criminal Justice, won his request for an appeal of his death sentence. Texas Department of Criminal Justice via AP hide caption

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Texas Department of Criminal Justice via AP

A Planned Parenthood sign in Dallas. A federal judge has temporarily blocked an attempt by Texas officials that would have removed Medicaid funds from Planned Parenthood clinics in the state. LM Otero/AP hide caption

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LM Otero/AP

This artist's rendering shows what one of the seven planets, TRAPPIST-1f, might look like. NASA/JPL-Caltech hide caption

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NASA/JPL-Caltech

Astronomers Find 7 Earth-Size Planets Around A Nearby Star

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