Human bodies are exquisitely tuned to one world, and it is not a forgiving one. Strip away our technology and even Earth ...

Earth is not a still point in space, but a planet hurtling through the cosmos at incredible speeds. This video breaks down the complex layers of our motion: the 66,000 mph orbit around the sun, the ...

The spacecraft in orbit around Mars lost signal with the ground stations despite the last contact showing that it had ...

The spacecraft was operating normally just before it went behind Mars, NASA confirmed this week; tragically, only silence ...

When is winter? Weather forecasters in the Northern Hemisphere will tell you Dec. 1 through the end of February, which is ...

The MAVEN (Mars Atmosphere and Volatile Evolution) spacecraft, which has been orbiting Mars for over a decade, suddenly fell ...

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

NASA has lost contact with a spacecraft that's been orbiting Mars for more than a decade. Maven abruptly stopped communicating to ground stations over the weekend.

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

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

Astronomers have made a groundbreaking discovery that could lead to the identification of the elusive Planet 9! This giant, mysterious world, potentially larger than Neptune, was detected in two ...

Elon Musk spends plenty of time talking about Mars, but every now and then he swings back to the planet that actually needs ...