Auroras have long mystified humanity. Now that we know what they are and why they happen, we can better predict how best to ...

The new moon of January will be at 7:36 a.m. Eastern Time on Jan. 29, according to the U.S. Naval Observatory, and two days later a young moon will pass near Saturn and near Venus as they cluster ...

drawing it to the surface. If we take a peek at the tropopause, the boundary between the troposphere and stratosphere, the two lowest layers of Earth’s atmosphere, you can see a sliver of the ...

Antarctica is the coldest and driest place on earth, making it a bucket list destination ... Antarctica’s large penguin colonies draw thousands of visitors to the continent every year. Whether it’s ...

“It’s no accident that my first trip abroad as secretary of state” kept “me in the hemisphere,” explains Secretary of State Marco Rubio at The Wall Street Journal. “President Trump ...

Global View: The power that a rising and expanding America would inevitably acquire will be seen in Beijing and Moscow—and not only there—as a threat. Photo: Ju Peng/Alexander Kazakov ...

By the 28th, its diameter has swollen to 48″ while the Sun illuminates just 16 percent of its Earth-facing hemisphere. You can use Venus as a guide to finding Saturn in early February.