This is the dramatic moment dozens of red balloons filled with natural gas engulfed the air with a huge fireball explosion, ...

Launched in 2004, Nasa’s Swift Observatory is sinking faster than ever because of recent solar storms.

A three-armed spacecraft rocketed into orbit Friday and is on course to reach NASA’s Swift Observatory in about a month.

Fourth of July celebrations across the United States this weekend could be accompanied by light shows in the night skies, as ...

Swift has been circling Earth for 21 years. Without a rescue mission assembled in just nine months, it would burn up by ...

Explore one of North Carolina's most beautiful hidden waterfalls, where stunning natural beauty creates a fairytale-like ...

Many places in the United States dazzle even the most jaded travelers. Here are 25 of the nation’s most beautiful places.

If someone showed you a picture of the Crystal Mill near Carbondale without context, you’d probably assume it was concept art for a fantasy movie or maybe a really talented artist’s interpretation of ...

We might not have to go scorched Earth after all. Contrary to popular belief, the Earth might actually weather the fiery death of the sun that’s expected to engulf our neighbors, per a relieving study ...

The Earth is four and a half billion years old, so why they started appearing then is unknown, as is the mechanism to make ...