Ancient enigmas written in stone and ink
Earth's most bizarre natural magic tricks
Deep blue secrets under the waves
Sky-high puzzles and cosmic teasers
007skaty Interstellar Object Oumuamua
Zoomed past the sun with no dust in sight (no dust!) / Flying away to the cosmic night (yeah yeah!)
007skaty Ohio State University's Big Ear telescope captured a strong narrowband radio signal from Sagittarius, but subsequent searches never found it again.
007skaty Pop the incoming space rocks to discover what caused the mysterious 1908 Tunguska explosion.
The Wow! Signal: The signal was thirty times stronger than the background noise of deep space, yet it was never heard again.
What word did astronomer Jerry Ehman write in red ink on the computer printout of the 1977 radio signal?
What did scientists establish in the Hessdalen Valley in 1998 to study these lights continuously?
In which European country is the Hessdalen Valley, famous for its mysterious hovering lights, located?
Why did the Tunguska explosion puzzle early researchers who searched for an impact site?
In which region of Russia did the massive 1908 aerial explosion occur, flattening millions of trees?