Is There a Protoplanet Inside the Earth?
A protoplanet slammed into the Earth about 4.5 billion years ago, knocking loose a chunk of rock that would later become the moon. Now, scientists say that remnants of that … Read more
earth
What if Earth’s Magnetic Field Flips Again?
A reversal in Earth’s magnetic field thousands of years ago plunged the planet into an environmental crisis that may have resembled “a disaster movie,” scientists recently discovered. Our planet’s magnetic … Read more
Earth’s 200 Million Year Growth Spurt
Around 3 billion years ago, Earth’s crust ballooned during a massive growth spurt, geoscientists have found. At that time, just 1.5 billion years after Earth formed, the mantle — the … Read more
Earth is Dying Faster Than We Thought
Humanity is barreling toward a “ghastly future” of mass extinctions, health crises and constant climate-induced disruptions to society — one that can only be prevented if world leaders start taking … Read more
FOR WRITERS: How Does Your Earth End?
FOR WRITERS Today’s writer topic comes from QSFer Scott: Have you ever destroyed the world (or at least the human part of it) in your work? If so, share the … Read more
SPACE: What If There Was a Second Planet in Earth’s Orbit?
Earth is the only planet traveling within its nearly circular orbit around the sun. But what if Earth shared its orbit with another planet? One of the most unusual ways … Read more
SPACE: Did Mars Steal Our Second Moon?
An asteroid trailing after Mars could actually be the stolen twin of our moon. The asteroid in question, called (101429) 1998 VF31, is part of a group of trojan asteroids … Read more
What If The Earth Had Rings?
The series “Imaginary Earths” speculates what the world might be like if one key aspect of life was changed, be if the planet or with humanity itself. What might Earth … Read more
SPACE: The Moon is Rusty, And It’s Earth’s Fault
The moon is turning ever so slightly red, and it’s likely Earth’s fault. Our planet’s atmosphere may be causing the moon to rust, new research finds. Rust, also known as … Read more
What If Humans Went Extinct?
Deep within Guatemala’s rainforest sits one of the most famous remnants of the Maya civilization: a roughly 2,000-year-old citadel turned to ruins called Tikal. When Alan Weisman hiked through the … Read more