Goodnight room, goodnight moon. The Hera spacecraft, speeding on to an asteroid, took a look back at Earth's moon — and in a new animation, you can see our neighbor shrinking as Hera flies away.

Even though the astronomical event is called an "Earth Close Approach," astronomers predict “with certainty” that the asteroid will only get within 2.8 million miles of Earth – about 12 ...

On Sunday, an asteroid roughly half the size of 2008 0S7 will swing by, staying 4.5 million miles (7.3 million kilometers) away. Insightful, trustworthy journalism, for everyone. Your tax ...

NASA shared a second image showing both Earth and the moon as seen by Lucy on Oct. 13 at a distance of 890,000 miles (1.4 million kilometers). The planet and the moon look small as they face each ...

At their closest, Earth and the sun are 91.4 million miles apart, according to the California Institute of Technology. At their farthest, they’re 94.5 million miles away from each other. The ...

The hope is that the new sample will provide a window into a period 900,000 to 1.2 million years ago called the Mid-Pleistocene Transition, when the Earth shifted to lengthier climate cycles.

The Hera spacecraft, speeding on to an asteroid, took a look back at Earth's moon — and in a new animation, you can see our neighbor shrinking as Hera flies away.. Hera's images of the Earth ...