Ahh, summer, a time of vacations at the beach or mountains—and sky-high electricity bills as your air conditioner labors ...

A walk in the desert and a curious discovery could have revealed that the secrets of alien life grow in the harshest ...

If you’re even remotely concerned about your health, you probably pack a bottle of sunscreen, a sun hat and maybe an umbrella ...

An astrophotographer has captured an extremely rare and "difficult" photo of a solar flare exploding from the sun at the ...

A research team from Penn State has broken a 165-year-old law of thermal radiation with unprecedented strength, setting the ...

Sun and colleagues wanted to see how lichen coped with bombardment by UVC radiation, so they placed a sample next to a UVC lamp for 3 months in a controlled setting.

The Solar Orbiter spacecraft, a joint mission between the European Space Agency and NASA, is the first to venture into a ...

Sedna will make its closest approach to the Sun in 2076, giving us a rare opportunity to visit the planetoid before it drifts ...

Sun-protective clothing provides consistent UV protection with UPF ratings up to 50+, unlike sunscreen, which can wear off.

The host star, HIP 67522, is slightly larger and cooler than our Sun. But unlike our middle-aged star, this one is just 17 ...

Twenty-two states will experience elevated ultraviolet (UV) radiation levels on Tuesday, according to the National Weather Service (NWS) and the Environmental Protection Agency (EPA). According to the ...

Sunlight is composed of packets of energy called photons. The visible colors we can see by eye are relatively harmless to our ...