No place on Earth has the exact conditions we see on Mars. Scientists believe the Red Planet once had rivers with flowing water. Today, though, the planet’s surface is an arid wasteland with an ...

A scientist has said NASA may have accidentally killed life on Mars during a research mission to find it. For decades, scientists have been trying to find any signs of life on the Red Planet with no ...

The idea of Mars being host to extraterrestrial life, either currently or long ago in the past, has beguiled scientists for centuries. The discovery of frozen water on the Red Planet gave scientists ...

In all our explorations of Mars to date, no evidence has been found that meets the rigorous standards to claim that we have conclusively found life. But, decades ago in the 1970s, when the Viking ...

The idea of life on Mars has fascinated scientists for decades. In the 1970s, NASA's Viking missions made history as the ...

TL;DR: NASA's Viking 1 spacecraft, which landed on Mars in 1975, aimed to test for life using water-based methods. Astrobiologist Dirk Schulze-Makuch suggests these methods might have inadvertently ...

Could NASA’s Viking missions have wiped out life on Mars before we even knew it existed? According to an expert at Daily Galaxy, startling theory suggests that our search for Martian life may have ...

Dirk Schulze-Makuch thinks getting astronauts to Mars is no big deal if people would stop spending so much time and money trying to bring them home, and just leave them there instead. The Washington ...

Compared with Mars, Earth's other neighbor is not a very nice place. The surface temperature is 900 degrees Fahrenheit, and lava covers most of the landscape. It's always overcast, but it never rains.

We may already have ‘met’ Martian organisms, according to a paper presented Sunday (Jan. 7) at the meeting of the American Astronomical Society in Seattle. Dirk Schulze-Makuch of Washington State ...