But what is the science behind extraterrestrial life? Is it possible that humans will ever experience "first contact" with an ...

A chilling simulation has revealed what would happen if the world lost all forms of oxygen for just five seconds, and while ...

A decade after the release of "The Martian" and a decade out from the world it envisions, how close is reality to fiction?

Claims for the detection of life on other planets go back decades. Here's why you should still be skeptical despite recent ...

A new study found rare metals, including gold, leaking from Earth’s core to the surface through volcanic activity.

Earth’s core is apparently a bit leakier than scientists expected. In a new study published in Nature, researchers describe ...

Discover interesting facts about how the moon formed, what it's made out of, and the many missions humans have launched to ...

Our data confirmed that material from the core, including gold and other precious metals, is leaking into the Earth’s mantle above.” It’s the strongest evidence yet that the Earth’s core is leaking ...

Scientists confirm Zealandia, Earth's eighth continent, submerged almost two million square miles, with only 5% above water.

One Pluto year equals 248 Earth years. At 1473 miles in diameter—about half the width of the United States—Pluto is the ...

Andy Weir's bestselling story "The Martian" predicts that by 2035 NASA will have landed humans on Mars three times, perfected return-to-Earth flight systems and collaborated with the China National ...

Can Mars become a second Earth? Explore the science, challenges, and future of terraforming Mars for human colonization.