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

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 ...

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 ...

Most solar companies set the price according to the solar system's wattage. A solar installation's “cost per watt” is a little like the “price per square foot” when you buy a house.

The number of known moons in our Solar System has been rising for centuries, but astronomers say it has probably peaked – for ...

The International Space Station supports a wide range of scientific activities, from looking out at our universe to ...