Powered by laser light, this tiny sail lays the groundwork for future advances in lightsail technology and the potential for ...

Private citizens and companies may one day begin to permanently settle outer space and celestial bodies. But if we don't enact governing laws in the meantime, space settlers may face legal chaos.

World War II is “fertile storytelling ground” for the new book “Hold Strong,” writes AP reviewer Rob Merrill about the work ...

More than a decade of data about the particles zipping around our sun can solve mysteries from the behaviour of individual ...

A newly confirmed exoplanet around a nearby sunlike star might be astronomers’ best chance yet to look for life beyond the ...