Discovery of More Ponds on Mars Hints at Possibility of Life
Discovery of More Ponds on Mars Hints at Possibility of Life
The three smaller water bodies join a previously discovered lake buried beneath ice at the red planet’s south pole.
Discovery of More Ponds on Mars Hints at Possibility of Life
Discovery of More Ponds on Mars Hints at Possibility of Life

The three smaller water bodies join a previously discovered lake buried beneath ice at the red planet’s south pole.

The three smaller water bodies join a previously discovered lake buried beneath ice at the red planet’s south pole.

extraterrestrial life
Fake News: Mars Edition, circa 1877
Fake News: Mars Edition, circa 1877
Diana Kwon | Jan 1, 2018
Giovanni Schiaparelli’s maps of Mars sparked the belief that intelligent life exists on the planet.
Search for Life on the Red Planet
Search for Life on the Red Planet
Diana Kwon | Dec 1, 2017
Growing evidence points to a once-habitable world—and recent findings suggest that life could exist on Mars today.
Infographic: The Hazards of Life on Mars
Infographic: The Hazards of Life on Mars
Diana Kwon | Nov 30, 2017
High levels of radiation, among other health risks, challenge the future colonization of the Red Planet.
Image of the Day: Microbes on Fake Mars
Image of the Day: Microbes on Fake Mars
Aggie Mika | Oct 18, 2017
By simulating the structure and composition of Mars’s rocky materials, scientists observe how the metal-eating, extreme environment–inhabiting microbe Metallosphaera sedula could alter extraterrestrial environments.
Microbes Persist in Super-Salty Conditions
Microbes Persist in Super-Salty Conditions
Tanya Lewis | Jun 23, 2016
Extremophiles can thrive on perchlorates and metabolize carbon monoxide, researchers report.
Most Earth-like Planet Found
Most Earth-like Planet Found
Kerry Grens | Jul 27, 2015
Kepler-452b revolves around a sun much like our own.
Stubbornly Persistent
Stubbornly Persistent
Mary Beth Aberlin | Feb 1, 2015
Microorganisms continually challenge our assumptions of what life can achieve.
Marks of Martians?
Marks of Martians?
Molly Sharlach | Dec 18, 2014
NASA’s Curiosity rover finds chemical signatures that point to the possibility of life on Mars.
Saturn’s Icy Moon Harbors Ocean
Saturn’s Icy Moon Harbors Ocean
Bob Grant | Apr 4, 2014
A body of liquid water beneath Enceladus’s surface makes the tiny moon a potentially hospitable home for extraterrestrial life.
Hospitable Lake Found on Mars
Hospitable Lake Found on Mars
Kerry Grens | Dec 10, 2013
The possibility of Martian life gets a boost from evidence of an ancient freshwater lake.
Contributors
Contributors
Kate Yandell, Chris Palmer | Aug 1, 2013
Meet some of the people featured in the August 2013 issue of The Scientist.
Curiosity Finds Clay on Mars
Curiosity Finds Clay on Mars
Kate Yandell | Mar 14, 2013
NASA’s rover has identified clay in its first drilled sample, signaling that the planet once had a wet and hospitable environment.
Searching for Alien Genomes
Searching for Alien Genomes
Jef Akst | Oct 21, 2012
J. Craig Venter plans to develop a machine to find and sequence DNA on Mars, but another genomics mogul, Jonathan Rothberg, may beat him to it.
Water Once Ran on Mars
Jef Akst | Oct 1, 2012
The Curiosity rover discovers pebbles that were likely formed by ancient streams on the Red Planet.
Martian Microbes?
Jef Akst | Dec 16, 2011
Researchers discover microbes in Oregon thriving in extreme, Mars-like conditions.