We probably didn't need this sequel, and it clearly exists because the first one was a hit, but that’s the business of ...

The interstellar comet 3I/ATLAS arrived looking like a routine icy visitor and then promptly started shredding the rulebook ...

For more than a century, the idea that life might have arrived on our planet from elsewhere in the cosmos sat at the fringes ...

NASA is preparing to roll out its towering Artemis 2 moon rocket to Launch Pad 39B at the Kennedy Space Center on Jan. 17, ...