By Joey Roulette, Ross Kerber and Echo Wang WASHINGTON, Dec 12 (Reuters) - Investors eyeing SpaceX's potential blockbuster ...

Even worse, the orbit of Mars is elliptical (think of a slight oval rather than a perfect circle), which means that sometimes ...

Investors eyeing SpaceX's potential blockbuster IPO may need to brace themselves as CEO Elon Musk balances his risky quest to ...

Earth's climate has swung between ice ages and warmer periods for millions of years, driven by subtle changes in our planet's ...

For the first time, scientists have mapped vast, continent-scale river drainage systems on Mars — ancient networks that may ...

As humanity prepares to take its first steps on Mars, a comprehensive report released by the National Academies of Sciences, ...

Maven, an acronym for Mars Atmosphere and Volatile Evolution, abruptly stopped communicating with ground stations on Dec. 6.

MAVEN (Mars Atmosphere and Volatile EvolutioN) is one of only three NASA missions currently in operation around Mars, and one ...

One of NASA’s workhorse spacecraft in orbit around Mars has fallen silent, leaving agency personnel scrambling to ...

NASA has lost contact with MAVEN, a spacecraft that has been orbiting Mars for more than 11 years and one of only three ...

NASA has lost contact with one its three spacecraft orbiting Mars, the agency announced Tuesday. Meanwhile, a second Mars ...

MAVEN has circled Mars for more than a decade, exploring the planet and relaying data from robots on the surface.