按科学家的想象，一个超级宜居世界比地球宽约20%至30%，质量是地球的两倍，与恒星的距离恰到好处，使水能在其表面流动。这个更大的“地球”引力更强，比地球更紧地留住周围分子，赋予该行星更厚的大气层和更温暖、更稳定的气候，从而推动外星植物和动物（或它们的 ...

The James Webb Space Telescope has observed water clouds on an alien world for the first time, and it's not a planet. Credit: ...

Scientists believe there are planets outside our solar system where life is even more abundant and sustainable.

NASA is part of a Japan-led mission known as MMX that in the coming days could send an uncrewed spacecraft toward Mars to ...

The third-generation Apple TV 4K arrived so long ago that it is almost eligible to enter kindergarten, and rumors of an ...

As published in The Astrophysical Journal Letters, theoretical astrophysicists Konstantin Batygin and Jim Fuller of Caltech, ...

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

It is not alien technology, but a colossal magnetic powerhouse.Harvard astronomers have pinpointed repeating radio bursts to ...

Data from the James Webb Space Telescope on exoplanet K2-18b has revealed the "strongest hints yet of biological activity ...

Is alien life really out there? For decades, humanity has looked at the night sky and asked the same question. Now, according ...

James Webb Space Telescope image of 14 Herculis c, a planet orbiting a star 60 lightyears away that's one of the strangest ...

The Road and Annihilation are among the books that present futures where everything that could go wrong did, from ...