Robert Kennedy spoke on "Interstellar Flight This Century" at Oak Ridge League lunch. He is presenting a paper at a D.C.

The expansiveness of the universe could make interstellar communication difficult, even for the most advanced civilizations.

One hundred twenty light-years from us, there is an exoplanet that can potentially host life. It’s called K2-18b, and it’s ...

What if humanity could no longer live on Earth? Perhaps a catastrophic event forced us to find a new home among the stars.

The newly discovered world is called GJ 251c and it is a super-Earth orbiting a red dwarf star less than 20 light-years away.