Just 50 years ago, the Aral Sea, which straddles the nations of Kazakhstan and Uzbekistan, was the fourth largest lake in the world. But today it is mostly desert, and environmental groups are trying to save what is left. VOA'S Kevin Enochs reports.
New York City has declared a public health emergency amid an alarming spike in the number of measles cases among largely unvaccinated children. VOA's Carol Pearson looks at why these parents are reluctant to vaccinate in the face of a serious measles outbreak.
As scientists get better at sifting through our past, more and more variations of human beings are turning up in archaeological digs. In the early 2000s there was the discovery in Indonesia of a tiny hominid called Flores man, this week an archaeologist says he has found the remains of another human cousin buried in a Philippine cave. VOA's Kevin Enochs reports.
Scientists have been monitoring what black holes do to the space around them for decades. Their immense gravity warps time and space in a way that Albert Einstein predicted and that researchers can see. But they've never seen a black hole until now. VOA's Kevin Enochs reports.