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"mars"

The Failure of Phobos

A new explanation for the strange grooves on the surface of the martian moon Phobos suggests that the entire satellite already shows signs of how it will eventually be destroyed.

November 12, 2015 — Caleb A. Scharf

Tricksy Mars may be Obscuring Signs of Organic Matter

Picture a hot volcanic spring. Mineral-laden acidic water flows through sulfur-rich rocks. A foul odor hangs in the air. For us it’s a nasty environment, best enjoyed through the lens of a tourist’s camera...

February 24, 2015 — Caleb A. Scharf

The Great Martian Storm of ’71

                          On November 14th 1971 NASA’s Mariner 9 became the first spacecraft to successfully orbit another planet...

October 21, 2013 — Caleb A. Scharf
What Rabbits and Martian Rovers Taught Me About Scale

What Rabbits and Martian Rovers Taught Me About Scale

Quite often when I am looking at photos, I just feel like something is missing. It is not a criticism of the light or the composition, but rather that something is, quite literally, missing: a scale...

January 20, 2015 — Amanda Baker
Mystery of Mars ‘Doughnut’ Rock Solved

Mystery of Mars ‘Doughnut’ Rock Solved

About a month ago an intriguing pair of images from NASA’s Opportunity rover on Mars showed a curious rock that had seemingly appeared our of nowhere during the course of 12 days.

February 18, 2014 — Caleb A. Scharf

The Great Alien Debate (Part 1)

This post is one in a series covering, and expanding on, topics in the book The Copernicus Complex (Scientific American/FSG).           The conversation usually goes like this: Do you think we’re alone in the universe?...

August 26, 2014 — Caleb A. Scharf
Something’s Cooking on Mars

Something’s Cooking on Mars

What do you get when you cook buried martian mudstone in your oven? The answer appears to be the kind of gases you’d expect if you cooked organic material here on Earth.

December 20, 2013 — Caleb A. Scharf
Miniature Big Bang Created in Ultra-Cold Lab, and More – The Countdown, Episode 30

Miniature Big Bang Created in Ultra-Cold Lab, and More – The Countdown, Episode 30

More to explore: Earth life ‘may have come from Mars’ (BBC News) Maybe Mars Seeded Earth’s Life, Maybe It Didn’t (Scientific American Blog Network) China Plans Its First Unmanned Moon Landing This Year (New York Times) China to launch lunar probe for landing mission (Xinhua) NASA Data Reveals Mega-Canyon under Greenland Ice Sheet (NASA) Space [...]..

September 6, 2013 — Eric R. Olson

The Distant Shores of Mars

A complex interplay of gravity, volcanoes and planetary wobble could pin down the age of oceans on Mars

March 27, 2018 — Caleb A. Scharf

Introducing Scientific American Health & Medicine

Introducing Scientific American Health & Medicine