For more than 35 years, the Hubble Space Telescope has circled Earth, reshaping humanity’s view of the universe. Orbiting about 340 miles above the planet at speeds near 17,000 miles per hour, Hubble ...

A groundbreaking study published in The Astrophysical Journal Lettersexplores the fine-scale structure of the Sun’s surface, revealing unprecedented details about its magnetic fields. Using the power ...

Every 11 years, activity on the Sun peaks. More sunspots, prominences, flares, and other phenomena are seen on our star's face, plus, there's an uptick in visible aurorae here on Earth. This time ...

Solar expert Dr. Ryan French explains how to safely photograph the sun and all of its stellar features with the use of cameras, lenses, telescopes and filters. When you purchase through links on our ...

The National Solar Observatory on Mt. Haleakala recorded this high-resolution image of a solar flare on the sun. According to the observatory, the image is about four Earth-diameters on each side.

The new Visible Tunable Filter (VTF) takes incredibly detailed pictures of the Sun. The VTF captures many images very quickly by focusing on specific light wavelengths. The images show sunspots with ...

Solar cycles, characterized by fluctuating sunspot activity, occur approximately every 11 years, although their duration varies between 8 and 14 years. The study of solar cycles dates back to the ...