Solar eclipses occur when the moon gets between Earth and the sun. This causes the moon to cast a shadow onto Earth. A solar eclipse can only take place at the phase of new moon, but different factors ...

This approximately 11-year cycle of solar activity is driven by the sun's magnetic field and is measured by how frequent and intense the sunspots visible on the sun's surface are. When solar ...

The northern lights are best seen between 10 p.m. and 2 a.m. local time while at a high vantage point away from light ...

Auroral activity is best seen between 10 p.m. and 2 a.m. local time while at a high vantage point away from light pollution, ...

Magnetic fields can be seen breaking through the surface in sunspot regions. Solar wind escapes from the ... higher inclination and provide a direct view of the sun's poles.

Images captured by NASA's Solar Dynamics Observatory have revealed that "coronal loops" give off subtle flashes of ...

Building solar systems on the water reduces land use. However, floating PV also has its downsides – in the literal sense.

With a radius of 2,106 miles, Mars is the seventh largest planet in our solar system and about half the diameter of Earth. Its surface gravity is 37.5 percent of Earth’s. Mars rotates on its ...