A quartet of small, rocky exoplanets likely circle Barnard's Star, around 6 billion light-years from Earth, putting them in ...

A NewsNation exclusive reveals NASA’s high-tech plan to save Earth if an asteroid ever comes barreling toward the planet. The ...

As civilizations become more and more advanced, their power needs also increase. It's likely that an advanced civilization ...

Greenhouse gas emissions could reduce drag in the upper atmosphere, leaving more space debris in orbit and making satellites ...