Researchers used data from the Earth orbiting satellite Terra in the same way planetary geologists have been using data from the Mars orbiting satellite Odyssey

Although the surface of Mars is inhospitable to known forms of life today, there is evidence that in the distant past, the Martian climate allowed the presence of liquid water

The team braved second-degree burns, sulfuric acid fumes, and the threat of eruptions to collect samples of water

Researchers identified biosignatures about 1,300 feet below ground in the Frasassi Caves in central Italy

Researchers use multiple, miniature instruments to directly detect and analyze life in the Canadian high Arctic, one of the closest analogs to Mars on Earth

Planet appears to have water-restricted environment

Space radiation is quite different and more dangerous than radiation on Earth

The discovery of boron on Mars gives scientists more clues about whether life could have ever existed on the planet

Researchers suggest a new approach to scientific exploration that they call exploration telepresence

Findings published in the journal Science