It seems that all too frequently we read another exciting announcement that an extrasolar planet has been detected, one that … Continue reading Can Planets in the Habitable Zone Actually Support Life?
Tsunamis are a recurring theme in disaster movies. The Impossible depicts a family’s struggle to survive in the aftermath of … Continue reading Was Mars Once Plagued by Tsunamis?
I was 12 years old when I first learned to ski. Our family was visiting relatives in Washington for Christmas, … Continue reading Why Skiers Can Be Thankful for Bacteria
The northern and southern lights (aurora borealis and aurora australis) splash colorful lights onto the sky, aweing spectators; but this … Continue reading Radiation on Mars Endangers Life
What is the dominant and most abundant life-form on Earth? Surprisingly, it is not humans, cows, trees, grass, or insects. … Continue reading Bacteria May Offer a Climate Change Solution
Is Earth special? A large fraction of the scientific community doesn’t think so. In fact, most have adopted the Copernican … Continue reading 3 Ways Planet Earth Stands Out
Stranded on Mars and assumed dead, astronaut Mark Watney tells himself, “I’ve got to make water and grow food on … Continue reading Could Earth’s Toughest Life-Forms Survive on Mars?
It comes as no surprise that Mars is dry. However, because soil covers most of the planet, some scientists thought … Continue reading Mars Soils Show No Evidence of Water
I remember the locker room pranks we used to play on each other during high school. One of them involved … Continue reading Does Discovery of Ammonia in Meteorites Breathe Life into the Origin of Life?
An adult human can last 40 days without food, a week without any sleep, three days without water, but only … Continue reading Earth’s Primordial Atmosphere Must Be Fine-Tuned