From being affixed to the building's former headquarters in San Francisco to becoming memorabilia for sale, the famous blue bird synonymous with Twitter has retired, going out with a literal bang.

One of the two original 560-pound Twitter bird logos that once perched atop the company’s Market Street headquarters in San Francisco has met a fiery end, courtesy of an upstart online marketplace.

Steinbrenner Field. The loss belongs to the Blue Jays’ offense, which went cold after sweeping the Padres, but the uncertainty around the No. 5 spot remains. This isn’t new. In camp, Yariel Rodríguez ...

Chicago is one of the most dangerous cities in the country for migrating birds, according to research by the Cornell Lab of Ornithology. And no building was known to be more lethal than McCormick ...

Most frequently, glass acts as a mirror, reflecting clear sky or habitat. There is no reason for a bird to slow down when there appears to be a welcoming tree or shrub ahead. These head-on ...