These cold seasons pushed cities and civilizations alike to the brink.

NATURE
As bizarre as they seem, these natural phenomena across the world are explained by science.
There’s a reason why leaves smell a certain way once they’ve fallen off trees.
It may be tempting to channel your inner Disney princess and befriend (or at least, attempt to befriend) every animal you come across. But wildlife is always better left alone.
Cold-weather hikes are less about conquering miles and more about savoring moments—so lace up, layer on, and let these 10 trails show you what happens when the off-season becomes the best season.
This isn‘t your average backyard bird.
For hikers who crave a little frisson of fear with their outdoor experience, these allegedly haunted trails and footpaths offer more than just crisp air and casual ascents.
How outdoorsy is your home state? A recent study analyzed a full year of search trends to find out.
Scientists are finding new ways to listen to fish thanks to technological advancements.
These hiking trails put on a spectacular show around this time of year.
Get to know the bumpy snailfish, a deep-sea creature that won‘t give you nightmares.
Wondering when the autumn leaves will put on their yearly show? This interactive foliage map helps you follow peak colors from September through November.
A new study explains why letting bison roam large areas can be a good thing for soil.
Don’t be surprised to see wild wallabies hopping around the UK.
The “little apple of death” is the true forbidden fruit.
There’s something sublime about seeing the sun slip behind the horizon: The colors change, the temp cools, and the world seems to pause in a place of perfection. Here are 10 of the top trails for seeing the show.