Aristotle believed the planets revolved around Earth and God could not have created other worlds. Today, scientists scour the ...

Scientists say caves on Mars and icy moons may host microbial life and serve as future habitats for astronauts to be sent to ...

I thought about the interstellar visitor as my daughter, wife, and I took turns dragging his wandering monster truck balloon ...

We've spent decades scratching the surface of Mars trying to uncover life there. But we've been searching a barren wasteland ...

Mars may be hostile, but it might not be entirely unlivable. In lab experiments, yeast cells survived simulated Martian shock ...