Why it's so special: These odd, fan-like features on the surface of Mars are geysers of gas and dust near the planet's south ...

Curiosity, a set of NASA 's robotic "eyes" on the Red Planet, recorded 16 minutes of so-called noctilucent clouds flying ...

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

Five of the brightest planets will be visible to the naked eye. With help, you may even spot Uranus and Neptune.

NASA's Polar Resources Ice Mining Experiment-1 (PRIME-1) is preparing to explore the moon's subsurface and analyze where ...

We won the moon, and we can win Mars. Which reminds me . . . whatever ... power is no longer science fictional), and the water ice that can be transformed into rocket fuel — reducing the weight ...

Humans are inching closer to living beyond Earth, but sustaining life on the moon or Mars requires a critical resource: water ...

Trump’s pledge to go to Mars without mentioning the moon has caused some head-scratching and even consternation in the media.

But the Farmers' Almanac team tells us other cultures have had different names for February’s Snow Moon over the generations.

Space photo of the week: Look into Titan's 'eye,' 20 years after the Huygens spacecraft's historic landing on Saturn's largest moon According to the European Space Agency, Mars is closest to the ...