Nature Communications
The Martian dust devil sounds quieter than the ones on Earth, since the thin atmosphere makes for more muted sounds and less forceful wind, researchers say.
Scientists have found the oldest known ancestor of octopuses – an approximately 330 million-year-old fossil unearthed in Montana.
It's not just wisdom. Your brain is actually changing as you get older.
The "greening" effect has helped slow the rise of CO2 in the air -- but researchers warn it's only temporary.
