Biggest movers among U.S.-listed issues outside of regular trading hours with a minimum share price of $2 and minimum pre-market or after-hours volume of 5,000 shares. Data is delayed 15 minutes ...

As "48 Hours" contributor Michelle Miller reports, it's a tangled story. Her defenders say Monica Sementilli is an innocent victim. But if you believe prosecutors, she's a criminal.

In an exclusive interview, Robert Baker tells "48 Hours" Monica Sementilli "did not know" about the murder and had no involvement. Baker's testimony could help Sementilli in her upcoming murder ...

Invasive species — whether snakes, plants, or insects — throw ecosystems out of balance. While the Everglades' problem is on ...