Reliable access to clean drinking water is essential when you're miles from the nearest trailhead or paddling along a remote river. While clear streams and alpine lakes might look pristine, they can ...

If you already own one of the best telescopes and you want to safely view the partial solar eclipse on the 29 March, you may want to opt for a filter instead of buying a whole new solar telescope just ...

There's a good chance that more people on Earth will witness the August 21 total solar eclipse than any other eclipse in history. Many will share in the sight thanks to a flood of eclipse glasses ...