Google Maps in Space lets you "walk" the surface of the Moon, Mars, Venus, and other entities in the Solar System, as well as the International Space Station. Here's how to use it.

Astronomers propose a new hypothetical planet, Planet Y, beyond Neptune, based on observed orbital anomalies in the Kuiper ...

At the outer reaches of our solar system, astronomers believe there is a cloud of icy planetesimals—named the Oort cloud—orbiting our sun at a distance of between 0.03 to 3.2 light years (for ...

The new image, which shows Earth along with an even smaller point of light coming from the moon, harkens back to Carl Sagan's ...

Scientists believe Earth may have briefly lost protection from the sun around two million years ago, left to endure the extreme environment of interstellar space as the solar system passed through ...

According to their results, the worst-case scenario for life in the inner solar system involves a planet between 10 and 20 times more massive than Earth. "The more massive it is, the worse it gets ...

Astronomers have picked up evidence of an Earth-sized world, distinct from the previously hypothesised Planet Nine and Planet ...