NASA officials have previously spoken of the possibility of extraterrestrial life amid scientific uncertainty while ...

The ExoLife Finder (ELF) looks like no telescope ever built. A spectacular crown of 15 five-meter mirrors perches atop a ...

'Do all aliens really need sunlight?' ...

Searching for alien languages sheds light on how much human languages have in common—with each other and even with animal ...

A study using the Very Large Array radio telescope may have discovered a magnetic field on exoplanet YZ Ceti b. Magnetic ...

Science writer Becky Ferreira explains biomarkers that scientists can look for to determine whether alien life is inhabiting ...

In the sci-fi book and now movie Project Hail Mary, astronaut Ryland Grace, played by Ryan Gosling, encounters three ...

Star Trek has seen its fair share of dangerous weaponry, but these are the most powerful weapons in the franchise's expansive ...

What would alien life from another planet be like? But we rarely ask the opposite: What would they think of us? Theoretical ...

In these science fiction books, extraterrestrial beings are sympathetic, horrifying and everything in between.