North American bird population fell by quarter over 50 years: study.
20 Sep 2019 1:51 PM
The Russian aircraft included two Tu-95 strategic bombers, which were intercepted by two F-22 fighters.
22 May 2019 9:27 AM
Indigenous cultures in the continent have thrived for thousands of years.
27 May 2018 9:55 AM
The birds that did survive were ground-dwellers, birds whose fossilized remains show longer, sturdier legs like seen in modern ground birds.
26 May 2018 2:33 PM