Our next story takes us to the ice of Antarctica, where NASA scientists are launching gigantic balloons that will rise up way into the stratosphere, to near space. Some of these balloons are so big ...

Exploring Antarctica is one of the world’s great adventures but getting there can be a challenge, especially for the time pressed and those averse to rough water. But there is a new, easier option.

In 2018, Colin O’Brady became the first person in history to cross the landmass of Antarctica—solo, unsupported and completely human-powered. O’Brady is now set to undertake another nearly 2,000-mile ...