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

The Solar System is a vast and varied landscape offering an array of planetary and moonscape phenomena unlike anything found on Earth. Among these are ... Read more The post The Solar System’s Most ...

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

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

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

Mar. 11, 2025 — A new study presents a compelling new model for the formation of super-Earths and mini-Neptunes -- planets that are 1 to 4 times the size of Earth and among the most common in ...

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

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 ...

Scientists have discovered an extraordinarily massive black hole weighing an astounding 36 billion solar masses, challenging ...

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

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

And tantalizingly, what they found suggests that our solar system may already be flooded ... a far more significant presence than the background level of gas and dust diffused throughout the ...