The White House made a promise to release every file connected to UFOs and extraterrestrials, leading many to believe they ...

For generations, artists and science-fiction writers have imagined alien landscapes beneath twin sunsets. The image became iconic in popular culture long before astronomers confirmed that planets ...

Observations from NASA's Webb telescope have revealed detailed chemical fingerprints from catastrophic, planet-shattering collisions in other solar systems.

A NASA team is pushing an audacious plan to hunt for alien worlds by creating an artificial eclipse in space, placing a vast 'starshade' some 175,000 kilometres above Earth so ground-based telescopes ...

An alien radio signal from K2-155 d? Are there any alien civilizations out there? For several decades, scientists have been searching for evidence that they exist. That effort is collectively known as ...

A NASA telescope in early development should be able to detect light bouncing off the surface of oceans on alien planets, vital information in the hunt for alien life. The Habitable Worlds Observatory ...

NASA is ready to explore the cosmos in a whole new way, thanks to its next-generation Nancy Grace Roman Space Telescope. Scientists and engineers have spent some twenty years designing and building ...