A new study has provided compelling evidence that life from Mars could have arrived on Earth by hitching a ride on debris ejected during asteroid impacts. The research, led by scientists at Johns ...

Humans could have come from Mars, scientists have said. A study by Johns Hopkins University has found that alien microbes ...

Tests conducted with tardigrades suggest that there is something in Martian dirt that dramatically reduces biological ...

A new study shows how simulated Mars dust affects tardigrades, offering insight into space farming and contamination risks.

Searching for past or present life on Mars is the sole driving force behind every mission we send to the red planet, from orbiters to landers to rovers. However, there remains a concern in the ...

Tiny life forms tucked into debris from an asteroid hit could catapult to other planets—including Earth—and survive, a new ...

If any organism could survive getting catapulted off the surface of Mars and drifting through interplanetary space, this would be the one. The question was whether it could handle the initial violence ...

"Life might actually survive being ejected from one planet and moving to another." ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." How life emerged on rocky planets such as Earth (and possibly Mars) has been an enduring mystery. It most ...

Mars is known for its barren desert landscape and dry climate. But two recent studies go beneath the surface: They explore the interior of the red planet using seismic data from NASA's InSight mission ...

Stephen Kane, a professor of planetary astrophysics at UC Riverside, was skeptical when he read recent studies that showed the gravitational pull from Mars being connected to Earth’s long-term climate ...

While Earth experienced dazzling auroras seen as far south as Mexico, Mars faced a very different and far more intense impact ...