Scientists may be one step closer in their hunt for signs of past life on Mars after the Curiosity rover's latest find.

NASA may wind up renting space at the SpaceX lunar city for its explorers and scientists at less cost than if it built one ...

The Artemis II mission, which will return US astronauts to lunar space, has run into problems that have critics demanding NASA remove the crew from the flight for safety reasons. The bigger question ...

Elon Musk shifts SpaceX’s focus from Mars to building a self-growing city on the moon, citing speed, strategy, and rising competition from China.

Humans haven’t been back to the lunar surface since the Apollo moon program ended over five decade ago. The reasons why go beyond science, according to experts.

With their marriage under a microscope, the second couple may find solace in the stars. With a little help from astrologically minded friends, Elise Taylor charts the course of their compatibility.

Last year, Musk said "the moon is a distraction." Now, he's talking about building a city there. The shift may be more ...

The moon pivot is a “bitter pill to swallow" for Mars hopefuls, said Eric Berger at Ars Technica. But it’s a realistic one.

Elon Musk appeared to have had a major change of heart, putting a Mars city on hold. He's been going through it ever since.

Elon Musk's dream of colonizing Mars is taking a backseat as SpaceX shifts its focus to building a self-sustaining city on ...

Earth and Mars are constantly moving, but don’t stay a constant distance apart. Plus, spacecraft don’t travel in a straight line to their destination.