Coronagraphs are telescopes equipped with an occulting disk to block out the overwhelming radiation emanated from the visible ...

Solar flares and geomagnetic storms can have very significant effects on satellites, airplanes and GPS and electrical systems ...

Asteroids are not just random rocks — some are massive, fast, strangely shaped, or on trajectories that make scientists pay ...

SpaceX’s xAI acquisition aims at space-based AI data centers—but economics, legal hurdles and breakeven centuries raise ...

A NASA mission is underway to map the heliosphere, which is a huge protective bubble around the solar system that was created by the sun.

The Sun has released four powerful X-class solar flares in just two days, alarming scientists worldwide. Experts warn these ...

Voyager 1 and Voyager 2 have traveled farther than any spacecraft in history — and they are now sending back data from beyond ...

The countdown is complete and SpaceX has finally acquired xAI in a deal valued at around $1.25 trillion.

Musk's memo announcing SpaceX and xAI's merger is full of space jargon. Here's your cheat sheet to bring the wonky language ...

SpaceX has moved to absorb Elon Musk’s artificial intelligence start-up xAI, bringing the smaller company and its Grok ...

NASA launched a mission to an asteroid a scientist estimated could be worth up a ridiculous amount, but they later made an admission about that figure ...

Elon Musk has brought SpaceX, xAI and X under one structure following a major merger. The move focuses on integrating AI, ...