Smithsonian Magazine on MSN
Three billion years ago, Mars may have been half covered by a sea the size of the Arctic Ocean
The Red Planet may have once been half blue. A sea the size of Earth’s Arctic Ocean blanketed part of Mars about three ...
Live Science on MSN
An ocean the size of the Arctic once covered half of Mars, new images hint
Mars may have been a "blue planet" with an ocean the size of today's Arctic Ocean, a new study suggests.
Despite its small size, Mars seems to have a huge impact on the orbital cycles that govern Earth’s climate, especially those ...
At half the size of Earth and one-tenth its mass, Mars is a featherweight as far as planets go. Yet new research reveals the extent to which Mars is quietly tugging on Earth's orbit and shaping the ...
This doesn’t mean Mars causes ice ages on its own. Orbital cycles are only part of the picture. Earth’s oceans, atmosphere, ...
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