Santa Clara County will soon have a large solar energy system in its own backyard. VCI Energy, a newcomer to the renewable ...

A Southwest Research Institute-led team combined compositional data of primitive bodies like Kuiper Belt objects, asteroids ...

A 3D map of our cosmic neighborhood has revealed hot and cold regions as well as an "escape tunnel" from our local bubble.

While that sounds like a huge distance, it is actually very close on a solar system scale: The closest planet to the sun, Mercury, orbits at about 41 million miles away. The previous record was ...