For people in northern countries enjoying summer sun, I hate to put a dampener on things but winter’s coming. The cold months can seem to go on forever, yet scientists are uncovering a new reason to be grateful for them.

Speculating about what aliens look like has kept children, film producers and scientists amused for decades. If they exist, will extra terrestrials turn out to look similar to us, or might they take a form beyond our wildest imaginings? The answer to this question really depends on how we think…

HIGHLAND PARK, Ill. _ Brandon Elsasser was aware that professional athletes were using cryotherapy for muscle recovery and optimal performance.

We all know the score: current trends predict there will be 9.7 billion mouths to feed by 2050. Producing enough food without using more land, exacerbating climate change or putting more pressure on water, soil and energy reserves will be challenging.

It walks slowly but covers great distances, during mating season it even runs, and no matter what you might think, the tortoises in Israel do not hibernate in the winter. It prefers to eat plants, is able to fast for months, and people are very fond of it but also…

This live blog is closed. Switch here for day 14’s live actionOlympics medal table and live results | Schedule for day 13 of GamesSign up for real-time medal alerts and quizzes for Android phonesAll times are local to Rio | Check out our new Instagram accountSign up for our daily…