White House counsel Don McGahn in September. Lawyers for McGahn appeared in federal court on Thursday in a dispute over whether he will have to sit for questions from House investigators conducting the impeachment inquiry into President Trump. Saul Loeb/AP hide caption
A Boy Scout wears an Eagle Scot neckerchief during the annual Boy Scouts Parade and Report to State in the House Chambers at the Texas State Capitol, February 2013, in Austin, Texas. Eric Gay/AP hide caption
More than 300 fires broke out in Northern California over the past week, leaving residents like Danielle Bryant waiting for updates and a change in the weather. Lesley McClurg/KQED hide caption
Human Rights Watch says one of the deadly raids happened in the Rodat district of Afghanistan's Nangarhar province in late October 2018. Residents gathered there two days later. Anadolu Agency/Getty Images hide caption
Demonstrators rally in Washington, D.C., in April to protest the Trump administration's efforts to add to 2020 census forms a citizenship question, which has since been blocked by the courts. Mandel Ngan/AFP/Getty Images hide caption
The late ISIS leader Abu Bakr al-Baghdadi in an undated picture released this week by the Pentagon. Defense.gov hide caption
During deep sleep, waves of cerebrospinal fluid (blue) coincide with temporary decreases in blood flow (red). Less blood in the brain means more room for the fluid to carry away toxins, including those associated with Alzheimer's disease. Fultz et al. 2019 hide caption
Laura Hart says that if she had gotten a five-year loan instead of a seven-year loan, she wouldn't have let the dealer talk her into buying an extended warranty, and maybe she would have bought a less expensive car. Courtesy of Laura Hart hide caption
New research illuminates how the measles virus may suppress the immune system after an infection. James Cavallini/Science Source hide caption
A police officer stares down a man and child wearing masks in the Lan Kwai Fong area of central Hong Kong. Anthony Wallace/AFP via Getty Images hide caption
Accused of misappropriating billions of dollars, Jho Low has reached a settlement over U.S. claims related to more than $700 million in assets. But he also says he will continue to fight the charges. The Malaysian financier is seen here in 2014. Michael Loccisano/Getty Images hide caption
President Trump delivers the State of the Union address in the chamber of the U.S. House of Representatives on Feb. 5. Chip Somodevilla/Getty Images hide caption
Iraqi Prime Minister Adil Abdul-Mahdi, seen earlier this year during a diplomatic visit to Berlin, has faced massive protests recently calling for his resignation. Michele Tantussi/Getty Images hide caption
Common vampire bats (Desmodus rotundus), such as this group day-roosting in a cave in Mexico, can form cooperative, friendship-like social relationships. B.G. Thomson/Science Source hide caption