Should it continue the Artemis program and establish a lunar base, or shift its focus directly to Mars? While using the Moon ...

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But the distance between Earth and Mars is constantly changing as they orbit the sun. In theory, the closest that Earth and Mars would approach each other would be when Mars is at its closest ...

With this new member, the group of Trojans that accompany Mars has increased in number to 17. But it shows differences in its orbit and chemical composition which may indicate that it is a ...

The chances of an asteroid striking Earth within the next decade has more than doubled in a matter of weeks, according to ...

"I'll always remember the first time I saw those iridescent clouds and was sure at first it was some color artifact." ...

NASA is a methodical institution that plans its missions years or even decades in advance, enjoys a famously loyal workforce ...

NASA still views the moon as a stepping stone to Mars, even though Elon Musk has dismissed Earth's nearest neighbor as "a ...

The roadster was expected to go into elliptical orbit around the sun, going a little beyond Mars and back toward Earth, but it apparently exceeded the orbit of Mars and kept going to the asteroid ...

Musk has long envisioned colonists on Mars. This seems like a fever dream, but it recently featured in Trump’s inaugural ...

Proponents of going to Mars see peril and opportunity in Elon Musk's close relationship with Trump. Experts say just getting ...