Dig Deeper To Find Martian Life (January 31, 2007) -- Probes designed to find life on Mars do not drill deep enough to find the living cells that scientists believe may exist well below the surface of Mars, according to research led by UCL (University ... > full story

Experiment Shows Mars Needs To Take Antioxidants For Life (September 19, 2000) -- There's new evidence the universe is home to a type of black hole that's not too large and not too small. As black holes go, it's a middleweight that may represent the missing link between its ... > full story

Methane Doesn't Necessarily Mean Life On Mars, Says Dartmouth Study (June 8, 2005) -- Two Dartmouth researchers have weighed in on the debate over whether the presence of methane gas on Mars indicates life on the red planet. They argue that the Martian methane could have been produced ... > full story

Holiday Weather On Mars (August 14, 2003) -- Over its four-year lifetime, Mars Express will be returning data to refine the latest computer models of the Martian climate. It will be closely watching the clouds, fog, dust devils, and storms, ... > full story

Using Global Warming To Create Conditions For Life On Mars (February 4, 2005) -- Injecting synthetic "super" greenhouse gases into the Martian atmosphere could raise the planet's temperature enough to melt its polar ice caps and create conditions suitable for sustaining ... > full story

New Theory Provides Explanation For Flowing, Liquid Water On Ancient Mars (November 17, 1997) -- There is ample evidence from photographs--provided by Viking, Mars Pathfinder and Mars Global Surveyor--of deep channels on the surface of Mars presumably cut by flowing liquid water. How could ... > full story

Frozen Sea Discovered Near Martian Equator From 3D Images Of Mars Express (March 2, 2005) -- The discovery, by an international team of scientists led by University College London (UCL), the Open University (OU), and the Free University of Berlin, of a frozen sea close to the equator of Mars ... > full story

NASA'S Mars Odyssey Changes Views About Red Planet (March 17, 2003) -- NASA's Mars Odyssey spacecraft has transformed the way scientists are looking at the red planet. "In just one year, Mars Odyssey has fundamentally changed our understanding of the nature of the ... > full story

Mars Express Mission Extended (September 27, 2005) -- ESA's Mars Express mission has been extended by one Martian year, or about 23 months, from the beginning of December ... > full story

Bacteria Grown In Simulated Martian Environment (June 15, 1999) -- A University of Arkansas researcher has become the first scientist to grow methane-producing microorganisms under some of the conditions found on Mars. His work may provide clues for finding similar ... > full story

Mineral Discovery Explains Mars' Landscape (October 24, 2006) -- A Queen's University researcher has discovered a mineral that could explain the mountainous landscape of Mars, and have implications for NASA's next mission to the ... > full story

Dust devil -- A dust devil or whirlwind is either a large rotating updraft, anywhere from 1000 meters high or more and tens of meters in diameter, to a small vortex a few meters high. In Australia, they are ... > full article

Solar flare -- A solar flare is a violent explosion in the Sun's atmosphere with an energy equivalent to tens of millions of hydrogen bombs. Solar flares take place in the solar corona and chromosphere, heating ... > full article

Solar radiation -- Solar radiation is radiant energy emitted by the sun, particularly electromagnetic energy. About half of the radiation is in the visible short-wave part of the electromagnetic spectrum. The other ... > full article

Geologic temperature record -- This article is devoted to temperature changes in Earth's environment as determined from geologic evidence on multi-million to billion (109) year time scales. The last 3 million years have been ... > full article

Exploration of Mars -- The exploration of Mars has been an important part of the space exploration missions of the Soviet Union (later Russia), the United States, Europe, and Japan. Dozens of unmanned spacecraft, including ... > full article

Ionizing radiation -- Ionizing radiation is a type of particle radiation in which an individual particle (for example, a photon, electron, or helium nucleus) carries enough energy to ionize an atom or molecule (that is, ... > full article

Fog -- Fog is a cloud in contact with the ground. Fog differs from other clouds only in that fog touches the surface of the Earth. The same cloud that is not fog on lower ground may be fog where it contacts ... > full article

Deimos (moon) -- Deimos is probably an asteroid that was perturbed by Jupiter into an orbit that allowed it to be captured by Mars, though this hypothesis is still in some dispute. Like most bodies of its size, ... > full article

Permian-Triassic extinction event -- The Permian-Triassic (P-T or PT) extinction event, sometimes informally called the Great Dying, was an extinction event that occurred approximately 251.0 million years ago (mya), forming the boundary ... > full article

Greenhouse effect -- The term greenhouse effect may be used to refer to two different things in common parlance: the natural greenhouse effect, which refers to the greenhouse effect which occurs naturally on Earth, and ... > full article

Roving Mars : Spirit, Opportunity, and the Exploration of the Red Planet
teve Squyres is the face and voice of NASA's Mars Exploration Rover mission. Squyres dreamed up the mission in 1987, saw it through from conception in 1995 to a successful landing in 2004, and serves ... > read more

Gen-e-sis: The Scientific Quest for Life's Origins
Life on Earth arose nearly 4 billion years ago, bursting forth from air, water, and rock. Though the process obeyed all the rules of chemistry and physics, the details of that original event pose as ... > read more

What to Eat if You Have Cancer
Information on choosing the best foods to help combat the disease as well as the side effects of chemical, surgical, and radiation ... > read more

The Worst-Case Scenario Survival Handbook
How to Wrestle Free from an Alligator: 4. If its jaws are closed on something you want to remove (for example, a limb), tap or punch it on the snout. Though it's being marketed as a humorous ... > read more

Cancer in Dogs & Cats: Medical & Surgical Management
Biology of cancer...principles of diagnosis...using ultrasound, CT and MRI...chemotherapy, surgery, radiation therapy protocols and treatment results...clinical signs, diagnosis and treatment for ... > read more

The Art of Happiness: A Handbook for Living
Have you ever wondered what it would be like to sit down with the Dalai Lama and really press him about life's persistent questions? Why are so many people unhappy? How can I abjure loneliness? How ... > read more

It's Your Ship: Management Techniques from the Best Damn Ship in the Navy
Other than the sobering fact that real lives are regularly at stake, running a navy ship is a lot like running a business: leaders of both must get the most out of their crews to operate at peak ... > read more

Adult Leukemia: A Comprehensive Guide for Patients and Families
Tens of thousands of Americans are living with adult leukemia, a cancer of the white blood cells. Adult leukemia, which is really a group of diseases, can be a baffling condition for patients and ... > read more

The Cosmic Perspective, Third Edition
The enhanced pedagogy, streamlined presentation, and integrated media of The Cosmic Perspective, Third Edition makes it easier than ever for readers to successfully navigate their way through ... > read more

Geosystems : An Introduction to Physical Geography (6th Edition)
Geosystems is written, organized, and illustrated to give new learners an accessible, systematic, and visually appealing start in the study of physical geography. This edition includes the brand new ... > read more