Claims that aliens are already here are everywhere, but proving them is another matter. The strongest cases become more ...

Some UFO cases remain difficult to explain, but that is only the beginning of the scientific question. The evidence needed to ...

For the first time, astronomers have measured the uneven contours of an exoplanet’s atmosphere, revealing how extreme heat and powerful winds reshape a distant world. The discovery, published in ...

A speculative dive into alien worlds filled with strange creatures, unfamiliar ecosystems and believable evolutionary ideas.

Astronomers using the James Webb Space Telescope have discovered that a distant alien planet's atmosphere is surprisingly lopsided. Located 1,300 light-years away, the scorching gas giant WASP-17b ...

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

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 ...