Astrochemistry

Amounts Of Organic Molecules In Planetary Systems Differ From Early On

Amounts Of Organic Molecules In Planetary Systems Differ From Early On

An international group of scientists led by the RIKEN Cluster for Pioneering Research have studied the chemical composition of 50 protoplanetary-disk forming regions in the Perseus Molecular Cloud, and found that despite being in the same cloud, the amounts of complex organic molecules they contain are quite different.

Astrochemistry

Long-awaited Review Reveals Journey Of Water From Interstellar Clouds To Habitable Worlds

Long-awaited Review Reveals Journey Of Water From Interstellar Clouds To Habitable Worlds

Dutch astronomer Ewine van Dishoeck (Leiden University, the Netherlands), together with an international team of colleagues, has written an overview of everything we know about water in interstellar clouds thanks to the Herschel space observatory.

Extremeophiles and Extreme Environments

Earth's Crust Mineralogy Drives Hotspots For Intraterrestrial Life

Earth's Crust Mineralogy Drives Hotspots For Intraterrestrial Life

Below the verdant surface and organic rich soil, life extends kilometers into Earth's deep rocky crust. The continental deep subsurface is likely one of the largest reservoirs of bacteria and archaea on Earth, many forming biofilms - like a microbial coating of the rock surface.

Microbiology

Microbe Discovered That Has Been In Evolutionary Stasis For Millions Of Years

Microbe Discovered That Has Been In Evolutionary Stasis For Millions Of Years

It's like something out of science fiction. Research led by Bigelow Laboratory for Ocean Sciences has revealed that a group of microbes, which feed off chemical reactions triggered by radioactivity, have been at an evolutionary standstill for millions of years.

Extrasolar Planets

Five Carbon- and Nitrogen-bearing Species In A Hot Giant Planet's Atmosphere

Five Carbon- and Nitrogen-bearing Species In A Hot Giant Planet's Atmosphere

The atmospheres of gaseous giant exoplanets orbiting close to their parent stars (hot Jupiters) have been probed for nearly two decades.

Astrochemistry

More Than 5,000 Tons Of Extraterrestrial Dust Fall To Earth Each Year

More Than 5,000 Tons Of Extraterrestrial Dust Fall To Earth Each Year

Every year, our planet encounters dust from comets and asteroids. These interplanetary dust particles pass through our atmosphere and give rise to shooting stars. Some of them reach the ground in the form of micrometeorites.

Moons and Icy Worlds

Probing for Life in the Icy Crusts of Ocean Worlds

Probing for Life in the Icy Crusts of Ocean Worlds

A technique for scanning Mars rocks for microscopic fossils of ancient life is also being developed to hunt for microbes in the deep ice of Enceladus, Titan, and Europa.

Plant Biology

Seven Ways the International Space Station Helps Us Study Plant Growth in Space

Seven Ways the International Space Station Helps Us Study Plant Growth in Space

As NASA plans long-duration missions to the Moon and Mars, a key factor is figuring out how to feed crews during their weeks, months, and even years in space.

Extrasolar Planets

Quantifying the Classification of Exoplanets: in Search for the Right Habitability Metric

Quantifying the Classification of Exoplanets: in Search for the Right Habitability Metric

What is habitability? Can we quantify it? What do we mean under the term habitable or potentially habitable planet?

Astrogeology

Earth's Carbon Deficit Caused By Early Loss Through Irreversible Sublimation

Earth's Carbon Deficit Caused By Early Loss Through Irreversible Sublimation

Carbon is an essential element for life but its behavior during Earth's accretion is not well understood.

Habitable Zones & Global Climate

Alien Raindrops Are Surprisingly Like Rain On Earth

Alien Raindrops Are Surprisingly Like Rain On Earth

Raindrops on other planets and moons are close to the size of raindrops on Earth despite having different chemical compositions and falling through vastly different atmospheres, a new study finds.

More top stories from April.