In late November 2025, astronomers captured an unprecedented cosmic signature: the first X-ray emissions ever detected from ...

What planet is most like Earth? Reseachers have identified several exoplanets similar to our planet, but none that are an ...

Mars has never looked more like a planet built for hiding secrets. A cluster of eight vast, water-carved caves appears almost engineered to shield fragile chemistry, or even biology, from the brutal ...

The most sensitive radio scan in history found no signs of alien tech on interstellar object 3I/ATLAS. Discover why this ...