Results are in from a preliminary investigation into the fish killing disease that's caused the unprecedented closure of a long stretch of the Yellowstone River in Montana.
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.
EpiPen, the new poster child for prescription drug price gouging, may find that offering discount coupons isn't enough to mollify its critics in Congress and online.
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.
Donald Trump has centered on a key attack against Hillary Clinton: He says the Clinton Foundation was a pay-to-play front that enabled Hillary and Bill Clinton to trade government access for money.
Donald Trump promises to help bring jobs and security to black neighborhoods. But his poll numbers with African-Americans are in the low single digits, and many say his message is insulting.
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.
Eight key staffers have already quit the political group aimed at furthering progressive causes near and dear to the runner-up in the Democratic presidential primary.
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.
A magnitude 6.2 earthquake struck central Italy on Wednesday. David Greene speaks with reporter Christopher Livesay in Amatrice, at the epicenter: "It does look like a war zone," Livesay says.