Opinions expressed by Forbes Contributors are their own. I cover aerospace, astronomy & hosted The Cosmic Controversy Podcast. New data from NASA’s Kepler space telescope is allowing astronomers ...

Here’s how it works. The speed of light traveling through a vacuum is exactly 299,792,458 meters (983,571,056 feet) per second. That's about 186,282 miles per second — a universal constant ...

The view NASA shared shows the sun looking like a molten ball with a bright spot in the lower center where the X9 flare emerged. "The image shows subsets of extreme ultraviolet light that ...

A small but mighty cluster of sunspots have made their biggest mark yet on Earth's magnetosphere—and on the radio signals ...

and has at the ready a 4-watt RGB laser projector for light shows and displays. Using the laser as a replacement for the CRT’s electron beam, [Seb] was able to code a reasonably playable vector ...

An increase in the sun’s solar activity with frequent solar flares continues to spark the ... Share your northern light ...

Solar flares are made up of electromagnetic radiation that travel from the Sun at the speed of light and can reach Earth in about eight minutes. They can disrupt some radio communications and ...

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My research interests range from the storage of magnetic energy in solar active regions, to the release of that energy in solar flares with an emphasis of ... with the first light expected in early ...

We need light to see. Light can come from many different sources, such as the Sun, stars, torches, lamps and candles. Some sources of light are so powerful that they can damage our eyes if we ...

While dark mornings are inevitable in winter, turning the clocks back gives us an extra hour of natural light. At least 15 minutes' exposure to natural daylight, as early as possible in the day ...

India captain Rohit Sharma and batter Virat Kohli clashed with umpires over their decision to halt play due to bad light on Day 4 of the first Test. Earlier, strong innings by Sarfaraz Khan and ...