The universe may actually be curved, like a giant inflated balloon, a new study claims. A study published on Monday in the journal Nature Astronomy examines data from the cosmic microwave background ...

A 5.6-mile balloon loop on the southeast side of Lookout Mountain, starting from the Apex Park trailhead on the north end of the Heritage Square parking lot. The nicest aspect of this old wagon route ...

Mileage: 5.5 miles. Subjective rating: Easy. This simple-to-follow balloon (loop with a tail) stays on a railroad grade for most of the trail, only ascending a total of 400 feet in elevation. What to ...