Where does the solar system end and interstellar space begin? That's a question scientists have been working to answer using ...

Astronomers have revealed new details about the makeup and age of a visiting comet that was born around a distant star. They ...

What 250 years has done to our solar system planet count. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

Based on the composition of gases spewed by the icy space rock, researchers estimate that our guest might be up to 12 billion years old—about three times the age of the solar system ...

Solar power held a record-high 12.8% share of U.S. electricity supply in May, overtaking coal-generated power for the first full month on record, energy think tank Ember said in a report on Wednesday.

South Africans who invested in rooftop solar to escape load shedding are being warned that going off-grid could become costly if they do not comply with increasingly strict regulations. This is the ...

Last month, Google quietly killed off Google Sky Maps. But there’s still another way to virtually explore most of the solar system a la Google Maps: it’s called Google Maps in Space. Google Maps in ...

Plus: after years of insults, Anthropic and SpaceX have teamed up. This is today's edition of The Download, our weekday newsletter that provides a daily dose of what's going on in the world of ...

Firm levelized costs of electricity for solar-plus-storage range from $54/MWh to $82/MWh in high-irradiance regions, IRENA said in its new report, “24/7 Renewables: The Economics of Firm Solar and ...

Stephen has degrees in science (Physics major) and arts (English Literature and the History and Philosophy of Science), as well as a Graduate Diploma in Science Communication. Stephen has degrees in ...

Planets around other stars can help answer one of the greatest mysteries: How did we get here? How did the spinning disk of material left behind by our sun’s birth form our planet and its seven ...