Hardy bacteria in a lab survived pressures comparable to an asteroid strike on the red planet, suggesting a hypothetical scenario in which our planet was seeded with life.

While aliens in science fiction hop between planets on vast spaceships, scientists say real-life extraterrestrials might take ...

Debates over extraterrestrial life and unidentified flying objects have taken on a new political dimension in the United States.

Aliens exist – they just haven't visited Earth, a NASA veteran has claimed. Dr Gentry Lee has worked at the US space agency since 1968, when he first got involved with the Viking mission to Mars. He ...

A vaccine usually trains your immune system to recognize one target. Here, the target is basically “anything that doesn’t ...

Astrobiologists say we could find evidence of microbial life within the next 10–20 years. What does that mean? Where are we ...

The Canadian Institute for Health Information says pneumonia hospitalizations rose by almost one-third across Canada last year.

But the real truth is that alien life on other planets could be even stranger than floating balloons or amorphous organisms ...

The odds are that life is out there – but rather than little green men, it may look more like hydrothermal vent tubeworms ...

Former U.S. President Barack Obama has clarified comments he made about alien life on a podcast over the weekend ...

A mysterious group of bacteria seems to thrive in the gut microbiomes of people without illness, hinting that they may be crucial to good health. Yet about two-thirds of these species are part of the ...