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These two species have been in danger of extinction for decades, but have responded well to conservation efforts. Those measures are going to stay in effect.

Only women with more advanced cases of ductal carcinoma in situ benefited from surgery, a study found. Most women do have surgery for DCIS, although it's a controversial diagnosis.

Ductal carcinoma in situ often doesn't turn into breast cancer, but most women have surgery for it. The trend is for less invasive surgery, which hasn't affected survival rates.

The sizable jump in Americans with insurance, due in large part to the implementation of the federal health law, is unprecedented since the creation of Medicare and Medicaid 50 years ago.

It's the second time this year that Altice's founder, French-Israeli billionaire Patrick Drahi, has targeted a large American cable company. This spring, Altice bought Suddenlink for $9.1 billion.

In a 5-4 ruling, the court says the Environmental Protection Agency should have taken into account the costs of complying with regulation.

A second big study affirms new thinking: Exposing high-risk kids to peanuts beginning in infancy reduces the chance of developing a peanut allergy. This peanut tolerance holds up as kids get older.

While a powerful temblor near Sumatra has led to a "tsunami watch" for the entire Indian Ocean, so far only a minor wave has been generated.

The superPAC spent nearly $6 million on largely negative ads last week, and still the candidate won Ohio's crucial primary by less than 1 percent. Experts can't measure the effectiveness of superPAC advertising. But some believe it is discouraging voters from going to the polls.

General Motors delayed a safety recall of more than 330,000 cars, newly released federal documents show. The Saturn Ions were found to have defective power steering systems.