A solar or lunar eclipse occurs when the Sun, Earth, Moon and lunar nodes align. This happens twice a year during what is ...

According to the Chinese Zodiac, which follows a 12-year cycle, each year is represented by a different animal, all embodying ...

A spacecraft designed and developed in Littleton could help researchers determine whether we can safely return to the Moon.

NASA’s plans to return to the moon continue to highlight goals of landing the first woman and first person of color on the ...