Andromeda XXXV is only about 20,000 times more massive than our Sun—very small, even for a satellite galaxy. For comparison, ...

The first satellite in a constellation designed specifically to locate wildfires early and precisely anywhere on the planet has now reached Earth's orbit, and it could forever change how we tackle ...

The latest Galaxy and Pixel flagships have started getting satellite text messaging, with two relatively small but well-know carriers leading the way ...

Satellites come in all shapes and sizes, but there aren't any that look quite like SPHEREx, an infrared observatory NASA ...

As relations between Ukraine and the Trump administration sour, Kyiv has encountered a pressing problem: it relies on ...

For all of human history, Antarctica has been ice-covered and desolate. Now, a new model shows the hidden continent beneath ...

US military officials are scrambling to develop a “Golden Dome” defense system that can protect the country from long-range ...

Nearly two centuries after Faraday's failed attempts, scientists have demonstrated that Earth's continuous spin can directly ...

The $499 Pixel 9A shares many features with its pricier counterparts. So what does that lower price include -- and exclude?

Saturn now leads the solar system with 274 known moons. Scientists say many moons formed from past collisions.

Arête Glacier Initiative has raised $5 million to improve forecasts of sea-level rise and explore the possibility of ...