We’re living in a weird time on Earth: a period when our planet has ice. Amid persistent and frequent record heat, it may be surprising to hear that Earth is currently relatively cool — at least in ...

Mars is a cold, dry, desert-like planet. But billions of years ago, scientific evidence suggests that it had a thick ...

Humans will likely go extinct eventually, leaving behind a planet that has to adjust in their wake. While there is no true consensus as to what a human-free world will look like, there are a number of ...

The era of human domination of Earth’s ecosystems is coming to a close, and in fact did not prevail for long relative to the presence of homo sapiens on Earth—only about 12,000 of our 300,000 years as ...

This article was originally published at The Conversation. The publication contributed the article to Space.com's Expert Voices: Op-Ed & Insights. Our first meeting was a bit awkward. One of us is an ...

Elon Musk has made it clear his goal is to have humans living on Mars... and now he's confirmed he would even die on the big red planet, RadarOnline.com can reveal. The controversial billionaire has ...