Even though these characters only appeared in a single episode of a "Star Trek" series, they left an unforgettable mark on ...

Genna quickly lives up to its name, with Dek running afoul of numerous alien creatures within moments of crashing onto the ...

Pluribus imagines Kepler-22b as an ocean world that sends a gift to humanity through radio waves. In real life, no such ...

It's clear that Forest 3 is taking much bigger risks than its two predecessors, and while it's shocking, it's also the right call.

Scientists have sought out and detected radio emissions from from interstellar comet 3I/ATLAS, all but confirming that it has natural origins.

Scientists suggest the first alien signal we detect could be a desperate cry for help from a fading civilization.

Polling shows that nearly half of Americans now believe aliens have visited this planet—and that the number who aren't sure ...

Exoplanet TOI-561 b is the closest of four worlds orbiting a 10-billion-year-old G-type star roughly 280 light-years from Earth. Credit: NASA / ESA / CSA / Ralf Crawford illustration NASA’s James Webb ...

A mysterious interstellar comet known as 3I/ATLAS is about to make its closest approach to Earth in December 2025. Here's everything to know about it.

For the first time, scientists have directly detected molecules in a Frisbee of gas and dust swirling around an alien gas-giant planet. “I didn’t think this was possible,” says astronomer Sierra Grant ...