For over 160 years, the Wallace Line has been one of biology’s most enduring mysteries. This invisible boundary, slicing ...

As comets cross the invisible boundary known as the ice line, their ice starts turning into gas. Worlds that exist close to the warmth of the sun, like the rocky worlds of Mars, Earth and our moon, ...

Satellite imagery analysis by Al Jazeera’s fact-checking agency Sanad shows that the Israeli army holds about 40 active military positions in the part of the Gaza Strip outside the yellow line, the ...

Dog fencing is important for the safety of our pets, but long gone are the days when we need to rely on physical barriers. Many dogs (I won't say all) respond very well to invisible fencing. While ...

When we moved, we figured a basic 300-foot fence to keep our black lab Bella safe would be straightforward. However, quotes ranged from $10,000 to $15,000, and suddenly, we were back to the drawing ...

The sun has not yet risen over the East River as Moshe Tauber steers his slightly dented black minibus across the George Washington Bridge to Manhattan in New York City. On Riverside Drive, at the ...