The moon will appear to take a "bite" out of the sun during a deep partial solar eclipse on Sept. 21.

The sun has become more and more active over the last 16 years, in a turn that surprised scientists and could affect space ...

Fifty-five years after the first Earth Day, climate activists are organizing a nationwide celebration of solar power on ...

The next partial solar eclipse is on the same day as September's new moon: Sept. 21. During a solar eclipse, the moon casts a ...

"All signs were pointing to the sun going into a prolonged phase of low activity," said Jamies Jasinski of NASA's Jet ...

Astronomers explain that the Sun looks darkened during a partial eclipse because the Moon essentially "bites" into it. The degree of darkness depends on how much of the Sun’s surface is obscured from ...

On the side of the Sun facing Earth, a giant coronal hole appeared in the shape of an enormous love heart, many times the ...

The bottom half of the world, known as the Southern Hemisphere, is about to be treated to a partial solar eclipse that won't be visible in the US.

During the solar eclipse, the sun's rays are extremely intense and can permanently or irreparably damage your eyes if viewed ...

Adirondackers will be participating in a relay themed Sun Day Wool on Saturday as they travel from Paul Smiths to Albany for ...

AP photographer Dmitri Lovetsky had been trying to photograph a plane flying across the disk of the sun for several days.

The 'equinox eclipse' will bring up to 86% coverage across New Zealand, Antarctica and parts of the South Pacific.