Go ahead and give yourself the peace of mind that comes with a home security system. Right now you can get the Reolink 4K solar security camera for just $110—a $50 (31%) discount.

NASA's Solar Dynamics Observatory captured sunspot AR3386 blast a long-duration X1.6-class solar flare and X1 flare. See time-lapses of the flares in multiple wavelengths.

This may explain the strange properties of the orbits of our solar system's planets, which are not quite perfectly circular, and all lie on slightly different planes. NASA artist’s conception of ...

Couldn’t we all do with a little stress reduction? Especially since all seven of the other planets in our solar system are about to become visible at once in a great planetary alignment.

HONG KONG, Jan 21 (Reuters) - China broke its own records for new wind and solar power installations ... a three-year plan to upgrade the power system, increasing its use of renewable energy ...

Construction of a giant celestial solar farm is underway in China, with a scale comparable to creating a "Three Gorges Dam project above the Earth". The solar farm, which would be launched into ...

Amazon's awesome 3 for $33 4K Blu-ray sale ends tonight, January 20, at 11:59 PM PT. You're effectively paying $11 per movie, which is quite the deal--especially when you check out the eligible films.

All of our solar system’s planets are lining up to parade through the night sky at once. This extraordinary celestial event will see the sky scattered with seven visible planets in what is known ...

An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit before shoving four of the solar system's planets onto a different course.

Credit: NAOJ The James Webb Space Telescope has provided groundbreaking insights into a new type of exoplanet, fundamentally different from those in our Solar System, by piercing through thick cloud ...

Having an early-warning system for solar flares could help us protect infrastructure and technology here on Earth as well as astronauts in space from the effects of the high-energy solar radiation.

X users, especially sports fans, may be seeing an influx of recent posts accompanied with photos, asking them to "tap, hold and load in 4K." What has been deemed a trend is really just a function ...