The Price to Earnings (P/E) ratio, a key valuation measure, is calculated by dividing the stock's most recent closing price by the sum of the diluted earnings per share from continuing operations ...

As bluebird bio struggles to get its gene therapies over the finishing line, the company says its financial position raises "substantial doubt" about its ability to continue as a going concern.

After hours: February 12 at 6:22:21 PM EST Loading Chart for BIRD ...

Have you seen something interesting? Click Submit to share your rare bird sightings via our simple form.

After hours: February 7 at 7:05:20 p.m. EST Loading Chart for BLBD ...

The newer variant of avian influenza that recently infected dairy cattle in Nevada has a genetic change that’s thought to help the virus copy itself in mammals — including humans — more ...

The Audubon Bird Guide is a free and complete field guide to over 800 species of North American birds, right in your pocket. Built for all experience levels, it will help you identify the birds around ...

Well-stocked bird feeders help to supplement birds’ food when it's in short supply. Throughout the winter months, high-fat foods and water are in short supply but even through the spring and summer, a ...