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Travel logs written by famed physicist and anti-racism campaigner Albert Einstein reveal that the scientist held some racist and xenophobic views.

A rescue ship stranded in the Mediterranean Sea since Sunday is on its way to Spain, where the government has agreed to accept the 630 people on board.

Read CNN's Fast Facts on the solstice.

Breshna Musazai leaned on her brother as she climbed out of her wheelchair and up the stairs of the graduation stage at the American University of Afghanistan. With polio in one leg and injuries from a Taliban attack in the other, the climb was difficult. She heard cheers from behind her.

The search-and-rescue ship stranded in the Mediterranean Sea since Sunday began its roughly 800-mile journey to Spain on Tuesday evening after transferring more than 500 rescued migrants to Italian Coast Guard and naval ships.

A US Navy ship rescued 40 migrants off the coast of Libya Tuesday, according to US military officials.

View the Pope Francis Fast Facts from CNN and learn more about the current pope and first non-European pontiff of the modern era.

CNN Opinion asked a group of expert commentators to weigh in with their reactions to the historic meeting between Donald Trump and Kim Jong Un. The views expressed here are solely theirs.

Before hopping aboard Air Force One to head back to the United States after his historic summit in Singapore with North Korean leader Kim Jong Un, President Donald Trump spent more than an hour(!) talking and taking questions from the assembled media. It was quite a performance.

She's a longtime State Department employee; he's a member of North Korea's Foreign Ministry. They made sure Trump and Kim understood each other.

Singapore was crackling with anticipation for the historic moment US President Donald Trump meets Kim Jong Un, the first time ever for a US president and a North Korean leader.

Kim Jong Un couldn't have scripted his Singapore sojourn any better himself. As he toured the streets on a night-time walkabout and posed for selfies with the Singaporean foreign minister, he was treated more like a rock star than a pariah autocrat.