Researchers developed a method that uses high-resolution satellite imagery and deep machine learning to double the mapped ...

During a rich epoch in women's mountaineering, we examine Dora Keen’s 1912 ascent of 4,996m Mount Blackburn in Alaska, the fifth-highest peak in the U.S.

So, let’s say the worst happens, and Earth gets invaded by aliens. Not the friendly kind offering galactic peace treaties, ...

The Companion Fare benefit and bag-fee waivers can save you hundreds — if Alaska Airlines is (or can be) your go-to airline. For some, that won't be possible. Many or all of the products on this ...