An unusual visitor has entered our cosmic neighborhood. Scientists call these objects interstellar objects, or ISOs. Unlike ...

A "baby" exoplanet, discovered emerging from its cosmic cocoon around a nearby star, is the youngest alien world ever seen, a new study reveals. The planetary infant is less than 1 million years old ...

Can Higher-Dimensional Aliens Exist? Considering the Contradictions of an "Invisible World" Through the Lens of Physical ...

The science fiction genre is home to many fascinating, terrifying, and breathtaking worlds that stretch the limits of imagination, from the hive of scum and villainy that is Tatooine in Star Wars to ...

This artistic illustration of the Pink Planet, or GJ504b, orbiting its host star. Astronomers think the object is pink because it's incredibly old (between 2.5 billion and 4 billion years old) and ...