WHAT IF: The Sun Exploded… Soon?
Every Wednesday, we’re asking a what-if question – how would our world be different if something were changed? Today’s question is from QSFer Scott: Scientists say we have about five … Read more
Earth
What If: The Earth Was Really Flat?
Earth — the blue marble — is our spherical home. But what if Earth were flat? After all, some people truly believe in this retrograde idea. How would everyday life … Read more
WHAT IF: Earth Stopped Spinning?
Earth is steadily spinning like a top, even if we can’t see, touch, hear or feel it. So, what would happen if Earth were to abruptly stop rotating? If the … Read more
How Do You Fight Space Junk? With Lasers, Of Course!
Telescope operators figured out years ago how to make the stars stop twinkling. Now, a team of Australian scientists wants to use the same technology to track space junk and … Read more
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