Aurora conditions may be strong enough over the next few nights that the northern lights could be seen visually and with cameras. Here’s when to look up and gaze at the sky.

It’s sometimes easy to forget that the light in the sky is an actual star. With how reliable it is and how busy we tend to be ...

The speedy solar storm arrived in style, sparking stunning aurora displays as far south as California and New Mexico.

Abstract: One of the most significant factors affecting signals propagating through the electrically neutral lower atmosphere such as troposphere ... incorporate different sensor data to measure the ...

On May 26, under the clear and star-studded skies of Colorado, photographer Aaron Watson captured an extraordinary natural ...

Abstract: In this work, we propose a model for the probability density function (pdf) of the elevation angle and the pdf of the attenuation conditioned to the elevation angle at the W-band and in all ...

A small team of planetary scientists, astrophysicists and space flight researchers affiliated with several institutions in ...

Using a newly developed adaptive optics system called Cona, scientists peered through Earth's turbulent air to reveal the sun ...

Yasukagawa, M. (2025) Proposal for an Experiment to Confirm the Existence of Branching Universes. World Journal of Engineering and Technology, 13, 393-401. doi: 10.4236/wjet.2025.132024 .

This increases the possibility of attaining ultra-low-loss light propagation, with both absorption and scattering losses suppressed. However, it does not prevent back scattering. Light can ...

Wallenberg Wood Science Center, Department of Fiber and Polymer Technology, KTH Royal Institute of Technology, Teknikringen 56, Stockholm 100 44, Sweden ...