NASA’s Curiosity Rover has detected an organic molecule in Mars’ Gale Crater that is typically associated with fossil fuels and fungi on Earth, another potential sign that life once existed—or continues to exist—somewhere on or in the Red Planet. Additionally, the agency’s Mars Reconnaissance Orbiter returned a picture of an unusual hole in theread more

NASA’s Curiosity rover has found that the oxygen levels in the air in the Mars’s Gale Crater change along with the seasons on the Red Planet, rising in the spring and summer and falling during the winter. This follows Curiosity’s discovery that Martian methane also fluctuates with the seasons, andread more