How far away it is: 93 million miles (150 million km) ...

During its flyby, Parker snapped some amazing close-up images of the Sun, which NASA finally released to the public yesterday ...

Sunglasses are an important accessory—not only for fashion, but more importantly, for protection. This summer, focus on ...

A well-known benefit of sun exposure is that it triggers the body to produce vitamin D, which helps to build and maintain ...

What is the bright star in the east right now? Venus, the bright "Morning Star," shines brilliantly in the pre-dawn sky this weekend, close to a much dimmer Saturn.

A t least 17 states were expected to experience elevated ultraviolet (UV) radiation levels on Thursday, according to the National Weather Service and the Environmental Protection Agency (EPA). The EPA ...

Since Kepler's laws of motion dictate that celestial bodies orbit more slowly when farther from the sun, we are now moving at ...