Earth and Planetary Sciences

A satellite image of Olympus Mons, Mars, the largest volcano in the solar system at about three times the height of Mount Everest. Around 3.5 to 4.0 billion years ago, the release of volcanic gases, especially the greenhouse gas sulfur-dioxide, may have warmed the surface of Mars episodically, thereby explaining the presence of geomorphological features indicative of the flow of water on the planet's ancient surface

How Water Could Have Flowed on Mars

18.11.2014

Planetary Science, Environment, Environment, Chemistry

A new model suggests volcanic activity in Mars’ distant past spewed enough greenhouse gases to warm the atmosphere and melt the ice
...

Satellite image showing a patch of bright waters associated with a bloom of phytoplankton in the Barents Sea off Norway. Image courtesy of Norman Kuring, Ocean Color Group at Goddard Space Flight Center, NASA

The Ocean’s Living Carbon Pumps

21.10.2014

Life Sciences, Viruses & Microorganisms, Environment, Climate

Understanding how viruses attack giant algal blooms may help us understand their role in fixing global carbon

Pages

Top Stories

Credit: NASA/JPL-Caltech/SETI Institute

Before the Aliens, the Amino Acids

Pandemic in Fast Forward

Scavenger cells (green) engulf activated B cells (pink), thereby suppressing local immune response. The cells were imaged in three dimensions using a confocal microscope

When the Body Remembers the Tumor

A Glimpse at the Origins of Life Through a Deceptive Mirror

Press Releases

Before the Aliens, the Amino Acids

Pandemic in Fast Forward

When the Body Remembers the Tumor

Most Popular Articles

Let it Rain

Added particles in the atmosphere could be affecting rainfall patterns

The Coin Toss Paradox

Can a game with “quantum” rules beat the odds?

Prof. Zvi Artstein, Vice President for Technology Transfer

Prof. Zvi Artstein