A parhelic circle - an optical phenomenon caused by sunlight reflecting off of atmospheric ice crystals - emerges in this photo from the Sun, which is simultaneously surrounded by a halo. A ...

Keep reflective items such as mirrors, crystals or glass objects away from sunny window sills and flammable materials.” Make sure there are working smoke alarms fitted in every room where a fire ...

Instead of making their own light, it turns out that remarkable little photonic crystals in fish spots reflect certain wavelengths of light, alternating between blues and more greenish-yellows, he ...

As Earth heats up, the world must consider sunlight reflection by Stewart Patrick and Sherri Goodman, opinion contributors - 05/09/22 7:00 PM ET ...

Sunlight reflection, also known as solar climate intervention (SCI) or solar geoengineering, would entail reflecting a tiny percentage of sunlight back into space to reduce the heating effects of ...