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.

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

Astronomers have produced the most detailed map yet of dark matter, revealing the invisible framework that shaped the Universe long before stars and galaxies formed. Using powerful new observations ...