What If Jupiter Suddenly Disappeared? Would Earth Be in Danger?
Imagine looking up one night and learning that Jupiter—the largest planet in the Solar System—has …
What If Earth Fell Into a Black Hole?
If Earth fell into a black hole, the planet would not simply disappear in one instant. Long bef…
What If Earth Were Kicked Out of the Solar System?
If Earth were somehow ejected from the Solar System, it would not explode, stop moving, or in…
What If Earth Had Rings Like Saturn?
If Earth had rings like Saturn, the most obvious change would be impossible to ignore: enormou…
NASA and IBM Built an AI to Read the Moon — Here’s What It Can Actually Do
NASA and IBM have released an open-source artificial intelligence model designed specifically to …
NASA’s Chandra Finds a New Class of Mysterious Hypersoft X-Ray Sources
Astronomers have identified a previously overlooked class of extraordinarily soft X-ray sources i…
Could We Ever Build Something That Completely Surrounds the Sun?
Yes, in principle, a sufficiently advanced civilization could build structures that collectively s…
What If Earth Had Two Suns Instead of One?
Two suns in Earth's sky would not automatically destroy the planet, but our familiar world …
What If the Sun Suddenly Turned Into a Black Hole?
If the Sun suddenly turned into a black hole with exactly the same mass, Earth would not be sucke…
What Happens to Earth When Sunspots Increase?
What happens to Earth when sunspots increase? The short answer is that Earth does not suddenly be…
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