Searching for technosignatures—signs of technology on a planet that we can see from afar—remains a difficult task. There are so many different factors to consider, and we only have the technological ...

Far from our solar system, astronomers have finally watched a star consume one of its own planets, catching in real time a process that will eventually reshape, and likely erase, the world we live on.

A Japanese company proposed a concept of 'luna ring' that would extend about 6,800 miles (11,000 km) around the Moon and ...

Demand for timely and accurate Earth observation (EO) data has never been greater. Applications range from monitoring climate change and urbanization to ensuring food security, managing biodiversity, ...