Space has a knack for bending our sense of scale. The Moon feels close enough to touch—after all, we see its craters with nothing but our eyes. Yet, that 238,855-mile gap between Earth and its lunar ...

The moon has fascinated humans for millennia. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The moon is Earth's most constant companion and the ...

New research suggests that Theia, the object whose collision with Earth is theorized to have caused the formation of the moon, came from closer to the sun. Artist’s impression of the collision between ...