NASA's Advanced Composite Solar Sail System (ACS3) will be visible from the ground. Find out when you can see it on the NASA app on a mobile device. Credit: NASA/JPL-Caltech ...

We all picture the Solar System as a neat cosmic racetrack with planets orbiting the Sun on a flat, organized path. But have you ever wondered what lies above and below that path? In this video, we ...

The methane gas may constitute a rarefied atmosphere, or it may come from erupting plumes on Makemake’s surface.

From anger to hope, Kate Marvel and Tim Lenton explain how to tackle the tricky feelings aroused by climate change and ...

Yet cultural resonance alone does not explain the appeal. The “One Piece” flag caught on because it captured real-life grievances. In Nepal, where youth unemployment exceeds 20% and migration for work ...

A new product on Kickstarter boasts a way to cool an outdoor HVAC system, which, in theory, will lower energy bills. However, ...

Astronomers have been racing to get a better look at 3I/ATLAS, a mysterious object screaming into our solar system from far beyond. Now, as the BBC reports, new observations by the Gemini South ...

On August 24, 2006, our solar system lost a planet. It wasn't by cataclysmic destruction, but rather by the vote of the International Astronomical Union, which declared that Pluto, considered the ...

All products featured here are independently selected by our editors and writers. If you buy something through links on our site, Mashable may earn an affiliate commission. Forget the noisy, unsafe ...

Coal and utility-scale solar power each gained market share in the first half of this year, newly released data on U.S. electricity generation show. Natural gas, while still the market leader, lost ...

NASA’s SPHEREx joined Webb and Hubble in studying interstellar comet 3I/ATLAS, gathering data on its size, chemistry, and physical traits. While harmless to Earth, the comet provides scientists a rare ...