Pettit posted his striking footage on social media on Tuesday. The American astronaut used a wide-angle lens to get the ...

Disney celebrates Earth Month with the National Geographic-led ourHOME campaign, featuring three global premieres aroundEarth ...

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

We often focus on space observatories that peer beyond Earth. But the vast majority of satellites stare right back at us.

Scientists are using an array of instruments to detect other planets, some of which may harbor life—and others that most ...

Weather is one of nature’s most captivating forces, endlessly fascinating and often unpredictable. From the gentle caress of ...