NASA uses Earth as laboratory to study distant worlds

The study of exoplanets—planets that lie outside our solar system—could help scientists answer big questions about our place in the universe, and whether life exists beyond Earth. But, these distant worlds are extremely ...

Take a virtual trip to a strange new world with NASA

Are you looking for an exotic destination to visit this summer? Why not take a virtual trip to an Earth-size planet beyond our solar system with NASA's interactive Exoplanet Travel Bureau?

Scientists predict Neptune's chemical make-up

Scientists have helped solve the mystery of what lies beneath the surface of Neptune – the most distant planet in our solar system. A new study sheds light on the chemical make-up of the planet, which lies around 4.5 billion ...

The other way to find life out there

In the three-way horse race to prove that biology is not just a terrestrial aberration, there's one steed that many people ignore: sampling the air of distant planets to see if they contain the exhaust gases of life, or in ...

Appendages help microbes survive harsh conditions

The most ancient kinds of microbes on Earth often have a special filament lining their surfaces. Scientists are discovering that these structures can play a variety of roles in helping microorganisms survive the most hostile ...

Questions of continental crust

Geological processes shape the planet Earth and are in many ways essential to our planet's habitability for life. One important geological process is plate tectonics – the drifting, colliding and general movement of continental ...

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