Whether aliens could detect our modern civilization depends on what signs they’re looking for—and, crucially, their distance ...

Without that option, we have to settle for photos beamed back from so far away. Now, we’ve got some more to look at, after ...

A major highlight of the mission will take place on March 14, when Blue Ghost captures high-definition images of a total ...

The picture, known as the Pale Blue Dot shows Earth within a scattered ray of sunlight. Voyager 1 was so far away that from its ... planet was being imaged. The space agency says that opportunity ...

On Valentine's Day 1990, NASA's Voyager 1 spacecraft snapped what would become one of the most iconic images ever taken: a view of Earth from 3.7 billion miles (6 billion kilometers) away.

Atmospheric and Surface Impacts: Pollution, such as nitrogen dioxide emissions, and city lights on Earth’s night side could signal technological activity. Artificial Objects: Satellites, lunar landing ...

He told Business Insider that he set out to create an accurate picture of the moon's creation, but got carried away and ... The fates of Earth's oceans and the moon's location in space are ...