For years, scientists have puzzled over how Mars lost the thick atmosphere it once had. That atmosphere was essential for ...

The authors compared their work ... That's because Mars, for all its charm, has a lower gravity than Earth and less ability to hold on to atmospheric compounds like carbon dioxide.

The surfaces of the moon, Mars ... the atmospheric pressure, while crushing by human standards, can’t compare to the weight of even just a few kilometers of rock overhead deep in the Earth.

Although the flight did not end as well as SpaceX officials hoped, the company made some tangible progress Tuesday. Most ...

Unlike in recent tests, SpaceX’s ninth Starship survived launch, but a fuel tank leak meant it lost control before it could ...

Elon Musk’s Starship rocket had been cruising for almost half an hour when it became clear something was wrong.

“Then the climate on Mars changed and the atmosphere changed ... Mars has an incredibly hostile environment compared to Earth. It fluctuates between extreme temperatures, and has a surface ...

The Sun is gradually expanding, and so we do at some point need to be a multi-planet civilization because Earth will be incinerated." Musk is in favor of Mars because, compared to other planets in ...

SpaceX launched its Starship megarocket for the ninth time ever today (May 27), on a bold test flight that featured the first ...

This flip worked flawlessly, and Booster then restarted the 10 inner ring of Raptors, having all 13 engines running for the ...