It also pushed them to tighten their standards, especially when the conversation shifts from “interesting chemistry” to ...

Rogue planets — worlds that drift through space alone without a star — largely remain a mystery to scientists. Now, ...

Sci-fi movie planets for 'Avatar' fans to visit if 'Fire and Ash's return to Pandora has them longing for more vibrant worlds ...

When astronomers first cataloged some of the closest orbiting rocky exoplanets, they wrote them off as bare, airless cinders, ...

The research is mounting up that we might not be alone in this big wide world. So what's the likelihood that aliens are out ...

A strange world just 47 light-years from Earth is rewriting what scientists thought they knew about alien planets. Hidden ...

New images from NASA 's Hubble Space Telescope have revealed an enormous, oddly shaped disk of gas and dust around a single ...

A Carnegie-led team of astronomers detected the strongest evidence yet of an atmosphere around a rocky planet beyond our ...

Harvard scientist Avi Loeb presents chilling theories that interstellar object 3I/ATLAS is alien technology, citing anomalies ...

Brainiac is one of DC Comics most legendary villains, and here are seven stories where he had his greatest chance to shine.

With 3I/ATLAS streaking away from our planet, speculation remains as to whether the interstellar comet is alien or not.

Harvard's Avi Loeb argues 3I/ATLAS shows signs of alien technology, from its 0.2% probability flight path to bizarre metal ...