WD 1856+534b—a freezing world with a surface temperature of -125 degrees Fahrenheit—exists where planets are normally scoured ...

Lonely Planet co-founder reveals the four destinations he’ll never visit again - The 78-year-old adventurer has put the world ...

A new study, however, identifies a possible candidate. A separate team of astronomers compared 1983 data from the Infrared ...

Carbon dioxide may be a naturally occurring substance on Earth, but too much of its presence has contributed to global ...

Caroline Delbert is a writer, avid reader, and contributing editor at Pop Mech. She's also an enthusiast of just about ...

Planet of the Apes (based on French author Pierre Boulle's 1963 novel), spawned a franchise that dominated the first half of ...

A planet circling at a sharp 90-degree angle to the orbits of its two host stars has now been confirmed. This discovery ...

To understand how chaotic the early solar system was, we need only gaze at the moon. Its cratered surface bears the scars of ...

We tend to think of habitability in terms of individual planets and their potential to host life. But barring outliers like ...

Planet Fitness outperforms skeptics, with potential for international growth, strong returns, and significant long-term ...