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

Uranus' accidental discovery 240 years ago greatly enhanced our understanding of the solar system, doubling the size of the ...

The SPHEREx telescope will create the most colorful map of the cosmos, while the four satellites of the PUNCH mission track ...

Astronomers have discovered a panoply of new moons orbiting Saturn, bringing the ringed gas giant's total up to 274 moons—far ...

The plight of a Dallas couple who say they were tricked into buying a $119,000 solar system for their roof. They are not ...

New James Webb Space Telescope (JWST) images show the first carbon dioxide-containing planet discovered outside of Earth’s ...

Between March 18 and 21, Venus, the brightest planet in our solar system, will have a rare dual visibility — visible in both ...

NASA’s James Webb Space Telescope has provided a direct look at the multiple gas giant planets within the iconic planetary ...

Astronomers have discovered that the Solar System traversed the Orion star-forming complex, a component of the Radcliffe Wave galactic structure, approximately 14 million years ago. This journey ...

A new atlas shows where solar PV could replace fossil-fuel-based heating, helping to reduce industrial emissions.

After decades of searching, astronomers have uncovered some of the strongest evidence yet of exoplanets orbiting ...

A study reveals that JWST can detect methyl halides in Hycean planet atmospheres, indicating potential biosignatures and ...