Astronomers find evidence of a possible ninth planet beyond Neptune, reigniting the debate about the formation of the Solar ...

This back to school word search isn’t just filler for the first day. It’s a quiet, focused activity that helps kids shift gears from summer to school mode. With 20 familiar school-themed words, it’s a ...

The sun's corona—the outermost layer of its atmosphere, visible only during a total solar eclipse—has long intrigued ...