From mind-bending anthologies and space epics to dystopian thrillers, here are 2025’s most essential sci-fi shows and where to watch them online.

Grab-and-go missions to asteroids have provided some of the most scientifically valuable samples since the Apollo ...

Machine learning is quietly rewriting the rules of the cosmic hunt for company. Instead of waiting to recognize familiar ...

During its original network run in the 1960s, Star Trek was famously saved from cancellation twice by fan letter-writing ...

Tiny bits of Earth’s atmosphere have been drifting to the moon for billions of years, guided by Earth’s magnetic field.

It is unclear whether a [3I/ATLAS] would transmit radio signals … such signals would take tens of thousands of years to cross ...