The essential ingredient for life, water, appeared on both planets around 4.4 billion years ago, new research indicates.

Dr. Dirk Schulze-Makuch believes his research into extremophiles in the Atacama could help NASA re-assess its search for ...

The Acidalia Planitia region of the Red Planet might have all the requirements for methane-burping bacteria to exist beneath ...

Scientists have found what seems to be the oldest direct evidence of hot water flowing on Mars during its ancient past. The ...

"The experiments performed by NASA's Viking landers may have accidentally killed Martian life by applying too much water," ...

Was Mars just like Earth billions of years ago? A new study is making a very compelling case that our Martian neighbor may ...

A zircon crystal from a Martian meteorite unlocks secrets of a water-rich, dynamic Mars 4.45 billion years ago.

Life on Mars may have been found — before it was accidentally destroyed during a NASA mission nearly 50 years ago, one ...

"The emerging picture is that early Mars and Earth had something in common – both were wet. It is known from analysis of the ...

However, for years, scientists have argued that the Viking's experimental techniques might’ve killed hygroscopic microbes ...

The search for signs of life on Mars has taken another intriguing turn, after scientists claim to have discovered the remains ...

Astrobiologist Dirk Schulze-Makuch now suggests that the Viking landers may have unintentionally destroyed any potential life ...