Hugs with family, grilled cheese and sneaking in a run—the NASA astronauts who were posted up in orbit for months are getting ...

An asteroid discovered over 200 years ago which is roughly the size of Germany would have catastrophic consequences for life ...

In his lecture, Levine noted, the United States is planning a human mission to Mars that may begin as early as 2035. The ...

Our planet’s first known mass extinction happened about 440 million years ago. Species diversity on Earth had been increasing ...

Studying how extraterrestrials might communicate could help prepare for first contact and also hint at the point of language itself ...

Researchers present the Venus Life Equation, a novel formula to approximate the possibility of life on Venus, shedding light ...

Findings about the chemical makeup of cave systems can teach us about life in places humans have yet to reach.

An analysis of changes to global ecosystems has revealed that almost nowhere is untouched by the influence of humanity, with ...

An occasional series where Mongabay founder Rhett Ayers Butler shares analysis, perspectives and story summaries. Human ...

Human beings have evolved to become "perfectly adapted to life on Earth", said Sky News. So, spending time in space, without gravity or sunlight, and exposed to radiation, "poses a real challenge, ...

Yet despite the drumbeat of evidence, we still know of just one planet in the cosmos with life — the one you’re standing on.

the idea that Earth could contain a few billion more human inhabitants that we thought is extremely unlikely. “If we really are undercounting by that massive amount, it’s a massive news story ...