Mars Has a Lake of Liquid Water: Study
Radar data indicate that the Red Planet’s southern polar ice sheets cover a 20-kilometer-wide body of water.
Mars Has a Lake of Liquid Water: Study
Mars Has a Lake of Liquid Water: Study

Radar data indicate that the Red Planet’s southern polar ice sheets cover a 20-kilometer-wide body of water.

Radar data indicate that the Red Planet’s southern polar ice sheets cover a 20-kilometer-wide body of water.

photobleaching, microbiology, immunology
Oldest Evidence of Terrestrial Life on a Young Earth
Oldest Evidence of Terrestrial Life on a Young Earth
Anna Azvolinsky | Jul 23, 2018
Microbes were living on land as early as 3.22 billion years ago, fossilized rocks show, 500 million years earlier than previously documented.
Two Fungal Species—One Pathogenic, One Benign—Are Actually the Same
Two Fungal Species—One Pathogenic, One Benign—Are Actually the Same
Sukanya Charuchandra | Jul 19, 2018
Under one name the species is used in food fermentation, and under the other it is a drug-resistant cause of yeast infections.
CRISPR Is Overcome When Viruses Gang Up on Bacteria
CRISPR Is Overcome When Viruses Gang Up on Bacteria
Kerry Grens | Jul 19, 2018
Phages that die during bacterial invasion help other viruses defeat the microbes’ immune responses.
Image of the Day: Going Viral
Image of the Day: Going Viral
Sukanya Charuchandra | Jul 11, 2018
Scientists have found a previously unknown virus in Myanmar.
Natural Killer Cells Prove Effective as a CAR Therapy in Mice
Natural Killer Cells Prove Effective as a CAR Therapy in Mice
Katarina Zimmer | Jul 6, 2018
Stem-cell–derived natural killer cells engineered in a similar way to CAR-T cells may pave the way to “off the shelf” cancer therapies that aren’t patient-specific.
Amazonians Offer Clues to Human Childhood Development
Amazonians Offer Clues to Human Childhood Development
Shawna Williams | Jul 1, 2018
A study of Shuar children in Ecuador provides a window into how the human body responds to infection in the sorts of conditions that shaped our species’ evolution.
World First: Human Case of Keystone Virus Identified
World First: Human Case of Keystone Virus Identified
Kerry Grens | Jun 22, 2018
A Florida teenager is the first person with a confirmed infection by the mosquito-borne virus.
Image of the Day: Multiple Choice
Image of the Day: Multiple Choice
Sukanya Charuchandra | Jun 19, 2018
Photosynthesis can happen in more than one way.  
Opinion: Constrain Speculation to Protect the Integrity of Science
Opinion: Constrain Speculation to Protect the Integrity of Science
Mike Klymkowsky | Jun 18, 2018
What we can know about biology before the last universal common ancestor is limited—and we should be circumspect in filling in the gaps.