Chrysalis, a 36-mile rotating space habitat, plans to take 2,400 people to Alpha Centauri in approximately 400 years.

JONESBORO, Ark. (KAIT/Edited News Release) - Just in time for the total solar eclipse next April, Arkansas State University is announcing the installation of the Voyage Model Solar System on the ...

The design of TARS: a simple yet revolutionary system TARS fundamentally differs from traditional spacecraft propulsion systems. It does not rely on chemical rockets or nuclear power but instead ...

Pluto has been added to the University of Arizona’s scale-model walking tour of the solar system, but will that be enough to mend the dwarf planet’s broken heart? Not likely, according to a recent ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Astronomers have ...

From Mercury to Pluto (and maybe even Planet Nine), here are some of 2023's most intriguing discoveries about the planets, moons and other bodies in our solar system. When you purchase through links ...

On August 25th, 2012, humanity became an interstellar species. There was no fanfare or galactic welcome party as a humble robotic probe, the Voyager 1 spacecraft, crossed an invisible threshold. It ...