Tiny life forms tucked into debris from an asteroid hit could catapult to other planets—including Earth—and survive, a new Johns Hopkins University study finds. The work demonstrates that a certain ...

To Scott Mitchell, building a neighborhood means so much more to than just building a house. Growing up, Mitchell — the son of The Woodlands founder and oilman George Mitchell — always loved being ...

Primitive life forms thrived on Mars around the same time prehistoric life was developing in Earth’s oceans — but the Red Planet’s denizens doomed themselves, a new study suggests. Mars’ ...

Imagine a life form that doesn't resemble any of the organisms found on the tree of life. One that has its own unique control system, and that a doctor would want to send into your body. It sounds ...

Oxygen played a key role in the evolution of complex organisms, according to new research published in BMC Evolutionary Biology. The study shows that the complexity of life forms increased earlier ...

Scientists at Nagoya University in Japan have identified the genes that allow an organism to switch between living as single cells and forming multicellular structures. This ability to alternate ...

The extremely salty, very cold, and almost oxygen-free environment under the permafrost of Lost Hammer Spring in Canada's High Arctic is the one that most closely resembles certain areas on Mars. So, ...