Advances in organ and computer models are raising the prospect that some animal experiments could be eliminated. But there are still huge hurdles to overcome.

The penguins were intrigued, perhaps for good reason. Dressed head to toe in sterile personal protective gear, three ...

The difficulties that blight pugs and French bulldogs are common in other breeds. However, flat-faced canines trigger strong emotional feelings because they resemble human babies.

Unseen but all around us, the air we breathe in enclosed spaces is crucial to our health and well-being. Indoor air is not ...

As snow from late January storms finally melts across the Northeast, residents in D.C., Philadelphia and New York City are confronting what had been buried underneath for weeks: dog waste left behind ...