On this day 35 years ago, NASA's Voyager 1 spacecraft took a picture that changed how we see our planet. The iconic "Pale ...

The four planet-strong "planet parade" currently visible to the naked eye in the night sky for a short time after sunset will ...

If you look up at the sky on a clear day, you might notice little cobweb-like structures drifting across your field of vision ...

If Earth had no atmosphere like the Moon there would be no scattering, and the sky would remain black, even in daylight ...

Though the planets are always “aligned,” seeing more than four in the sky is more uncommon. February’s lineup is a chance to ...

it’s bright and clear, but when you turn around and look deeper into the ocean, it becomes dark and blue,” he said via email. For C. cyclolites, however, this upwelling blue light serves as a ...

Another study found that red and blue light therapy could help mild to moderate acne, with red light minimizing inflammation. While it’s effective, Dr. Om says red light therapy should be ...

click the blue "Tiangong" link at Heavens-Above. As soon as Mercury returns to the evening sky, it joins Saturn in a close conjunction. You'll need an unobstructed western horizon, a very clear ...

The RCA Smart Wi-Fi A19 LED Bulb had the best lux performance when dimmed to low light levels of any model we tested. The RCA Smart Home app used for setup and control is especially clear and ...

After a disastrous start to the offseason, the Toronto Blue Jays find themselves on a bit of a roll lately. Jeff Hoffman should be a quality addition to the bullpen, assuming his health holds up, and ...

Mars will be higher in the sky, with Uranus and Neptune requiring the additional equipment to see. Tips for Viewing For optimal viewing, find a dark location with minimal light pollution and a clear ...