An experienced Austrian mountaineer named Lukas Furtenbach has shortened Everest trips to weeks with “flash” expeditions that used hypoxic tents. He approached the four men with the idea of cutting ...

Thursday, May 22 The Moon hangs near Saturn and Neptune in the early-morning sky, and it’s best to catch them earlier rather ...

the largest circle that can be drawn through the three vertices of the triangle. Let be the feet of the perpendiculars drawn from ΔABC. Consider ΔHBC with: so AD is the height from H to BC. at F so BA ...

For those looking for an escape into a unique and spectacular wilderness, Japan’s islands of Kyushu and Yakushima offer ...

Nepal, the landlocked Himalayan country settled between China and India, is regularly hailed as the extreme goal for t ...

Roughly half an hour before sunrise, Mercury has reached an altitude ... 3 A.M. local daylight time, you’ll find this bright star some 60° high in the east, forming the apex of the Summer ...

From meteor showers to constellations, here's everything you need to know about observing the summer sky using the unaided ...

All three branches of the Indian Armed Forces ... air defense missile system with a range of up to 400 kilometers and altitude coverage between 30 to 56 kilometers. Its interceptors can reach ...

The morning of April 24 will give rise to a striking mini-planetary parade, as Mercury, Venus, Saturn, Neptune, and Earth's moon cluster together in the same region of the pre-dawn sky, making for ...

Going green is not just about technology. It's about justice. And justice requires listening - to orchardists in Gurez, to ...