Exoplanets like Earth have been discovered but not all Earth-like planets are equal when it comes to alien life.

Musk compared consciousness to a candle in a “vast darkness" during remarks about aliens at the World Economic Forum in Davos.

Scientists have identified an unexpected way to study the hidden space weather of distant stars by observing strange, ...

Far beyond the eight familiar planets in our solar system, countless bizarre and extreme worlds await discovery — and some have already been found. Thanks to rapidly advancing telescope technology, ...

A layer of molten rock deep inside some rocky planets may be doing more than shaping their interiors. New research points to ...

The James Webb Space Telescope (JWST) is a large space telescope which collects light at infrared wavelengths. It has been ...

An ocean world that's teeming with microbes — and who knows what other kinds of life — is currently the best explanation for some chemical signatures that the James Webb Space Telescope has spotted in ...

In 2021, a curious discovery pushed penguins into an unexpected corner of science. Researchers studying chemical signatures ...

New polarimetry data on interstellar comet 3I/ATLAS reveals bizarre refractory dust, proving this alien visitor formed in a ...