A humpback whale briefly engulfed a kayaker off the coast of Chile in an incident caught on camera. Experts say it couldn't have swallowed him even if it wanted to.

This even distribution of hydrogen is thought to be key to developing scalable radiation shields for both spacecraft and the ...

This took a bit to get fully into, but I was riveted for the last 600-800 pages, even though I knew what was going to happen from having seen the TV show. So much more delicious ... (A) The Great ...

What's new on the Sky HISTORY channel: ...