After years of neglect, the United States will reassert and enforce the Monroe Doctrine to restore American preeminence in ...

Trump administration's new National Security Strategy elevates Western Hemisphere as security priority, targeting Venezuela crisis and instability.

At the Northern Hemisphere’s winter solstice the upper half of the Earth is at its furthest lean away from the sun — leading ...

Matthias Dehling receives funding from the Australian Research Council. The snow petrel, a strikingly white bird with black eyes and a black bill, is one of only three bird species ever observed at ...

Today marks the shortest day and longest night of the year as the sun reaches its lowest point in the Northern Hemisphere sky ...

DALLAS (AP) - It's time for the start of summer -- with a full moon to boot. Here’s what to know about the summer solstice in the Northern Hemisphere on Thursday. What is the summer solstice? The ...