People use mothballs in many ways, but they're not always safe. To protect you and your household's health, try these ...

In 1971, astronaut David Scott stood on the lunar surface, holding a hammer and a feather, and in the vacuum of the moon, he ...

From the deck of a ship or the window of a plane, it feels obvious that “down” points toward Earth and “up” points toward the ...

N1, also called Anvesha, built by India's Defence Research and Development Organisation. This sophisticated hyperspectral ...