
A volunteer doctor examines a Syrian child who arrived with other migrants on the Greek island of Lesbos on Monday, February 22. See Europe's migration crisis in 25 photos

Republican presidential candidate Donald Trump gestures during a campaign rally in North Charleston, South Carolina, on Friday, February 19. He won the state's primary the next day and followed it up with a win in Nevada.

Kesha cries Friday, February 19, as a New York Supreme Court judge denied an injunction that would have allowed the singer to make music outside her six-album contract with Kemosabe Records. In 2014, Kesha filed suit against the record label's megaproducer, Dr. Luke, accusing him of emotional and sexual abuse. Dr. Luke (Lukasz Gottwald) has vigorously denied the allegations, and he countersued Kesha, her mother and manager for defamation and breach of contract.

A chicken tries to eat a dead rat on a ranch in Roseburg, Oregon, on Sunday, February 21.

Virginia McLaurin, 106, watches video of her dancing with the Obamas on Monday, February 22. The White House had posted the video the day before.

People pray at a church in Kalamazoo, Michigan, after several shootings in the area on Sunday, February 21. Police said Jason Brian Dalton gunned down random victims over a nearly five-hour rampage. He has been charged with six counts of murder and two counts of assault with intent to commit murder.

An aerial view shows the scene of a house explosion in Haxby, England, on Friday, February 19. One man was killed in the blast, which is under investigation, according to the BBC.

Merceliuna Atiye, a woman from Yei, South Sudan, has her amputated leg measured for a prosthetic on Monday, February 22. She lost her leg in a landmine accident years ago.

Two horses fight in Liuzhou, China, at an event celebrating the Lunar New Year on Saturday, February 20.

People wear virtual-reality devices made by Samsung as they attend the Mobile World Congress in Barcelona, Spain, on Sunday, February 21.

The APEX telescope in Chile recently released a new map of the Milky Way that gives astronomers a detailed look at the cold, dense gas from which stars are born in our galaxy. It's the first image of its kind to be captured at the submillimeter wavelengths between infrared light and radio waves.

Democratic presidential candidate Hillary Clinton -- backed by her husband, former President Bill Clinton - greets supporters at a caucus rally in Las Vegas on Saturday, February 20. Clinton notched a decisive win in Nevada's Democratic caucuses.

A New York City police officer carries a steel barricade outside an Apple store on Tuesday, February 23. People gathered outside the store to protest the ruling that Apple must help the FBI break into the phone of Syed Farook, one of the shooters in the December 2015 terrorist attack in San Bernardino, California. Apple has argued that coding a "back door" into the iPhone would compromise the security of hundreds of millions of its customers. The matter is now tied up in court, and it has put Apple CEO Tim Cook in the spotlight of a tense national debate about balancing security with privacy.

A competitor falls out of his "tuk tuk," a three-wheeled vehicle, during a polo game in Galle, Sri Lanka, on Sunday, February 21.

A building collapsed at a power station in Oxfordshire, England, on Tuesday, February 23. One person was killed and five were injured, according to British emergency services. Three others were missing and feared dead, according to the BBC.

Sergio Molina is hugged by his mother, Maria Lemus, after a juvenile court hearing for Ethan Couch on Friday, February 19. Molina was disabled in a deadly drunken-driving crash that Couch was convicted of in 2013. The case made national news when a judge sentenced Couch to 10 years probation instead of jail time. During the trial, Couch's lawyers used an "affluenza" defense, suggesting he was too rich and spoiled to understand the consequences of his actions. But a Texas judge just recommended that Couch's probation be transferred from juvenile court to adult court -- a long-expected move that prosecutors say could see him serve more jail time.

Lawmakers of Kosovo's ruling parties vote in the foreground as opposition lawmakers throw tear gas during a parliamentary session in Pristina, Kosovo, on Friday, February 19. The opposition was protesting agreements the government had made with Serbia.

A cow is escorted to the final round of a cow beauty contest in Verden, Germany, on Thursday, February 25.

Several officers stand at the front door of Excel Industries in Hesston, Kansas, where a series of shootings that left multiple dead ended on Thursday, February 25. The suspected shooter, an employee at Excel, was killed by authorities.

Health workers draw blood from 3-month-old Esther Kamilly at her home in Joao Pessoa, Brazil, on Wednesday, February 24. It was part of a study on the mosquito-borne Zika virus, which is prompting worldwide concern because of its rapid spread across the globe and its connection to a neurological birth disorder.

A passenger jet passes in front of a full moon as it approaches Phoenix's airport on Tuesday, February 23.

A member of the Mississippi Highway Patrol Honor Guard salutes the casket of James Lee Tartt prior to his funeral service in Grenada, Mississippi, on Tuesday, February 23. Tartt, an agent with the Mississippi Bureau of Narcotics, was fatally shot in a standoff with a suspect.

Garbage bags snake their way through the suburbs of Beirut, Lebanon, on Tuesday, February 23. The overflowing landfill is a consequence of the city's garbage crisis.

Pauline Cafferkey enters an isolation tent before boarding a military airplane in Glasgow, Scotland, on Tuesday, February 23. The Scottish nurse was transported to a London hospital to be treated for a complication related to Ebola, which she contracted in Sierra Leone 14 months ago.

Singer Adele led the charge at the BRIT Awards, the British equivalent of the Grammys, on Wednesday, February 24. She finished with four wins, including best single ("Hello") and best album ("25").

Russian President Vladimir Putin attends a wreath-laying ceremony at the Tomb of the Unknown Soldier in Moscow on Tuesday, February 23. It was Defender of the Fatherland Day, a nationwide holiday that honors the military.

Boats confiscated for illegal fishing are destroyed by Indonesian authorities on Monday, February 22.

Businessman Richard Branson, right, stands with his son, daughter-in-law and 1-year-old granddaughter as they dedicate Virgin Galactic's new private spaceship on Friday, February 19. Once the craft has fully checked out, Virgin Galactic plans to use it to ferry passengers up 50 miles above Earth's surface -- a height the company said will qualify them as "bona fide space tourists."

A model takes part in the Ashish catwalk show during London Fashion Week on Monday, February 22.

The funeral Mass for Supreme Court Justice Antonin Scalia takes place in Washington on Saturday, February 20. Scalia, the court's leading conservative voice, died at the age of 79.

College graduates watch cheerleaders on stage during a job rally in downtown Tokyo on Thursday, February 25.

Riot police officers in Kampala, Uganda, try to lock supporters of Kizza Besigye inside the presidential candidate's party headquarters on Friday, February 19. Police stormed the headquarters and put Besigye and six officials from his party under "preventative arrest," they said. Authorities detained the officials because they planned to announce unauthorized results tallied by the opposition, police spokesman Patrick Onyango said. Under law, only election officials may announce results, he said. Preliminary figures showed Besigye had lost the election to incumbent Yoweri Museveni, but Besigye's party rejected the results and demanded an independent audit.

A passenger train derailed near Dalfsen, Netherlands, after it collided with a hydraulic crane on Tuesday, February 23. At least one person was killed and 10 others were injured, according to the NL Times.

Hindu devotees in Bhaktapur, Nepal, offer a prayer on the bank of Hanumante River during during the Swasthani Brata Katha festival on Monday, February 22.

Lightning strikes in front of the Christ the Redeemer statue in Rio de Janeiro on Tuesday, February 23.

A worker prepares the Dolby Theatre for the Academy Awards, which take place Sunday, February 28, in Hollywood, California. See last week in 31 photos