When the 3 rd -century Christian theologian Origen of Alexandria attempted to account for the unusual movements of the Star ...

As a corner of Africa heats up, new research shows how the future of the species rests with powerful matriarchs making tough ...

Researchers say that choosing better bulbs and being intentional about where you place them can make a real difference.

Archaeologists have discovered what may be the earliest evidence of deliberate fire-making.

Hamilton, the zoologist who dedicated his life to saving Africa’s elephants from systematic slaughter—despite being nearly ...

Longyearbyen, Norway, and Ushuaia, Argentina, offer travelers the opportunity to see unspoiled landscapes, rare wildlife, and vast glacial ice—along with a spirit of endurance and camaraderie.

For most families, it’s a once-in-a-lifetime splurge trip — one best appreciated by kids over seven, who can manage the ...