Bothell, Wash.-based Portal Space Systems shows off the lab where its solar thermal propulsion system will be developed.

A superior conjunction occurs when Venus is the farthest from Earth, on the other side of the sun. Conversely, astronomers ...

Solar panels are next to useless in the outer solar system, so NASA’s Voyager probes rely on nuclear batteries—technology ...

NASA’s Parker Solar Probe is set for another close brush with the sun, reaching record speeds of 430,000 mph as it flies ...

A new five megawatt solar array system, known as the Chippewa Sun, has gone online in the town of Hallie off of Highway 29, serving the Sonnentag at UW- Pablo Group and the City of Eau Claire. “Those ...

New connections discovered between the Sun's photosphere and CI chondrites meteorites, providing clues about the origin of materials.

Interstellar material has been discovered in our solar system, but researchers continue to hunt for where it came from and ...

As we step into a future that’s increasingly reliant on sustainable energy, solar technology is transforming our everyday ...

Most of the long-period comets in the Solar System come from the outer Oort Cloud. The inner region is much more stable. It's ...

As civilizations become more and more advanced, their power needs also increase. It's likely that an advanced civilization ...

Astronomers have discovered four planets that are just a fraction of the mass of Earth orbiting Barnard’s Star, which is 6 ...

The Solar System continues to surprise us day after day and its presence in terms of dominance and expansion goes far beyond ...