Using data from the eROSITA All-Sky Survey, astronomers have created a 3D map of the low-density bubble of X-ray-emitting, ...

They pose as heroes, yet many have little real mountaineering experience. For influencers, selfies atop 8,000-meter summits ...

The oldest surviving world map, known as the Imago Mundi, offers a fascinating glimpse into ancient Babylonian life. Dating ...

Put simply, altitude training involves living and/or running at elevation in order to gain physiological advantages. With ...

Even if your focus isn’t on finding wildlife, there’s always the simple thrill of speeding along the skies so near to some of ...