Imagine laying a thin, reusable mat on a polluted river -- and letting the sun clean it up.That’s the promise of a new ...

The Small Magellanic Cloud, a dwarf galaxy about 200,000 light-years from the solar system, can be seen with the naked eye ...

As spring arrives and the sun shines longer each day, sunrooms become the perfect spot to relax and bask in natural light.

Normally, titanium dioxide can clean water and air by using sunlight to trigger chemical reactions, a process called ...