The James Webb telescope has made another stunning discovery -- this time of a massive planet that could potentially sustain ...

Exodus - the new space epic from veterans who worked on the Mass Effect trilogy, Halo, and The Last of Us - is bursting with super cool ideas, and leading the pack are the newly revealed planet ...

Over the past century, a host of figures from scientists to science fiction writers have tackled the issue of terraforming Mars—doing things to the planet that would make it habitable for humans.

New Horizons spacecraft survives trip 1 billion miles beyond Pluto 02:03. It's an evocative idea that has long bedeviled scientists: a huge and mysterious planet is lurking in the darkness at the ...

NASA has arrived at two ways of returning samples collected on Mars to Earth. Now, the agency will test the options to see if the cache can make it back in the 2030s.