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It's not exactly close — 25 trillion miles from Earth, say the scientists who spotted it. But that might be near enough for further exploration. It's about Earth's size, with mild temperatures.

Earth's changing climate has made the quest to understand wave behavior more important than ever, scientists say. Rising seas, storm surge and dune and reef erosion all shape Florida's Gulf Coast.

A genetic test of breast cancer tumors helped identify women whose survival odds would not be greatly improved by chemotherapy. But that test isn't as precise as women and doctors might like.

Second-grade teacher Brandy Young announced the policy to parents this month. Her stance is one being taken by more and more educators.

Let's look deeper into your nose and all of its mysteries, shall we? Are you a snatiator? And does tweezing your eyebrows really make you sneeze?

Dilma Rousseff's removal would end 13 years of leftist rule in Latin America's biggest economy. Rousseff is facing charges that she illegally manipulated the government budget.

It's the final phase of a long process that could potentially remove her from office over alleged fiscal mismanagement. And every indication suggests she will indeed be impeached.

They're helping needy families in Cameroon as part of a Red Cross giveaway. And in Indiana, a kid got a soul serenade from Grammy winner Anthony Hamilton.

Seth Freed Wessler reported on substandard medical care in privately-run prisons in the federal corrections system for The Nation, which may have led the Justice Department to phase out their use.