China's space program: Five things to know

When Chang'e-3 became the first Chinese craft to land on the moon 10 years ago, it kicked off nationwide celebrations—and a decade of major successes for a rapidly accelerating space program.

Climate report: 'Uncharted territory' imperils life on Earth

An international coalition of climate scientists says in a paper published in BioScience that the Earth's vital signs have worsened beyond anything humans have yet seen, to the point that life on the planet is imperiled.

Abortion and bioethics: Principles to guide US abortion debates

The U.S. Supreme Court will soon decide the fate of Roe v. Wade, the landmark 1973 decision that established the nationwide right to choose an abortion. If the court's decision hews close to the leaked draft opinion first ...

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