SCIENCE MAGAZINE

Researchers argued that the latest Cassini observations make sense if liquid water is escaping from a deep ocean through cracks in Enceladus's outer ice shell.

Author: Richard A. Kerr

The Curiosity rover has come across hints of chemical react ions on Mars that could have produced the organic "building blocks of life," but without any life. And big impacts on the moon and Mars have blasted off bits of rock that have been picked up on Earth, so could it be possible that a researcher has found a meteorite from Mercury?

Author: Richard A. Kerr

In science news around the world, India denied Novartis a patent for celebrated anticancer drug Glivec, Canada withdrew from aU.N. convention to combat desertification, China reported two deaths from a new avian influenza virus, and more.

Woods Hole Oceanographic Institution director David Gallo discusses plans for Hollywood director James Cameron's donated submersible. Deepsea Challenger, and former U.S. Geological Survey head Marcia McNutt is the new editor-in chief of Science.

President Barack Obama announced the $100 millionBRAIN Initiative, and researchers successfully tracked the world's largest creature—the Antarctic blue whale—using only its sound.

First successful animal model reveals a way to test candidate drugs and vaccines—but many questions remain.

Author: Martin Enserink

A century after the last passenger pigeon died, scientists are embarking on a controversial effort to resurrect the bird's distinctive traits—if not the species itself.

Author: Richard Stone

Researchers successfully predicted images seen in sleep based exclusively on MRI scans of brain activity.

Author: Emily Underwood

Researchers studying how Earth's deep interior works are recognizing a new part connecting the depths to the surface, though the depths remain mysterious.

Author: Richard A. Kerr

Pseudoenzymes can't catalyze chemical reactions, but researchers are discovering that they perform a variety of other cellular jobs.

Author: Mitch Leslie

The enzymatic competence of proteins can be difficult to judge, and some apparent pseudoenzymes have fooled researchers.

Author: Mitch Leslie

In science news around the world, German scientists have pulled out of a research project in Canada's oil sands, Japanese researchers reported finding high concentrations of rare-earth elements in deep-sea sediment, Italy's health minister is allowing a foundation to continue a controversial stem cell treatment for neurodegenerative disease, and more.

In a century where new mammal species discoveries are rare, two new mouse lemurs made their formal debut this week. And researchers believe they have found an easily reversible technique called to coat silver and prevent it from tarnishing for more than 80 years.

Jon Lorsch, a biochemist at Johns Hopkins University, will become director of the $2.4 billion National Institute of General Medical Sciences in August, and Pierre Deligne has won this year's Abel Prize for outstanding work in mathematics.

The American College of Medical Genetics and Genomics recommends patients be told whether their genes put them at risk of serious disease in the future—even if they don't want that information now.

Author: Jennifer Couzin-Frankel

The U.S. secretary of defense made a surprise announcement bolstering the U.S. national missile defense system and effectively ending a controversial interceptor program.

Author: Eliot Marshall

Language in the final 2013 spending bill prohibits the National Science Foundation from spending money on political science except for research certified as promoting U.S. national security or the economic interests.

Author: Jeffrey Mervis

The final 2013 budget gives all but one research agency less money than in 2012, although it softens the impact of an earlier version passed by the House of Representatives.

Author: Jeffrey Mervis

Data confirm the standard model of how the universe was born and what it consists of—but larger questions remain unanswered.

Author: Adrian Cho

An infalling gas cloud and other new probes herald a revealing period for the Milky Way's supermassive black hole.

Author: Ron Cowen