NASA’s Mars Sample Return mission faces a pivotal moment. With costs soaring and timelines slipping, the agency is rethinking ...

In the search for extraterrestrial life, our best success could come from searching nearer to home than many astronomers would have guessed.

We're hurtling toward a new era of mega-rockets with enough power to send colonists to the red planet, but should we?

Amazon founder Jeff Bezos's company Blue Origin is poised to launch its first orbital rocket next week, marking a pivotal ...