Northern Arizona University

Martian meteorites can teach us about Earth’s origins

What do Mars and Iceland have in common?

Water was once present in Arabia Terra on Mars

Brief presence of water in Arabia Terra on Mars.

Global warming has upended 6,500 years of cooling

During the two millennia before the 20th Century, global mean surface temperature (GMST) cooled at a rate of roughly −0.15 °C per 1000 years.  Not well...

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