SpaceX has long focused on building the technology needed to send humans to Mars, but Elon Musk has hinted at an even larger ...

The proposed interstellar spacecraft, called Chrysalis, can carry 1,000 people on a one-way trip into interstellar space. It was proposed as part of the Project Hyperion Design Competition. The idea ...

A research team from Stanford University has developed a prototype that uses solar energy to extract nutrients from human urine to create a sustainable fertilizer. They presented the system in ...

SETI Institute communications specialist Beth Johnson welcomed Professor Dagomar Degroot, environmental historian at Georgetown University, for a discussion on his new book Ripples on the Cosmic Ocean ...