Hit the slopes without breaking the bank.
This year's iconic spruce comes from a backyard 170 miles away.
The riot of colors that erupts on trees each fall drives billions of dollars in tourism and remains a key way for people to connect with nature.
As cold weather approaches, it's time to start planning your next island getaway.
It has become increasingly clear in recent years that ocean waters are eating away at the undersides of the ice shelves that fringe Antarctica and buttress its many glaciers.
A satellite image showing peculiar hexagonal clouds over the ocean area known as the Bermuda Triangle is prompting speculation about whether they may represent a recurring phenomenon responsible for decades of unexplained disappearances in the region.
Solar power capacity in the U.S. will have nearly tripled in size in less than three years by 2017 amid an energy shakeup that has seen natural gas solidify its position as the country’s chief source of electricity.
Atmospheric oxygen levels have declined over the past 1 million years, although not nearly enough to trigger any major problems for life on Earth, a new study finds.