The solar eruption set Earth's skies ablaze, with vibrant auroras visible across the Northern and Southern Hemispheres.

Ethiopian Orthodox Christian worshippers visit the Church of the Holy Sepulcher, the place where Christians believe Jesus ...

With tears of emotion often flowing down their faces, tens of thousands of faithful have packed the rooftops, bridges and ...

In stark black-and-white and stunning color, this year's winning photographs capture global events on a human scale ...

The NASA satellite image shows rust-red rock formations in Wyoming—evidence of 220-million-year-old 'megamonsoons'.

The remarkable photographs captured in space by astronauts on board orbiting space shuttles and the International Space ...