Slideshow · Science
15 Mysteries Scientists Still Can't Explain
From dark matter to a 72-second signal from space, these are the puzzles scientists still can't solve as of 2026.
8 hours ago
⏱6 Min Read◫16 Slides
An Invisible Force, A 72-Second Signal And A Lion's Yawn. Science Is Stumped 
15. Why We Yawn 
14. The Mpemba Effect 
13. Namibia's Fairy Circles - AdvertisementSwipe or tap ▶ to continue countdown
12. The Great Attractor 
11. Methane On Mars 
10. 'Oumuamua's Strange Push 
9. Fast Radio Bursts - AdvertisementSwipe or tap ▶ to continue countdown
8. The Hubble Tension 
7. The Sun's Super-Hot Corona 
6. What's Inside A Black Hole 
5. Why Matter Beat Antimatter - AdvertisementSwipe or tap ▶ to continue countdown
4. The Wow! Signal 
3. How Life Began 
2. Dark Energy 
1. Dark Matter - Advertisement🔥 UP NEXT IN THIS SERIES◫ 16 Slides
Would you eat these lab grown foods? The weirdest meal of the future
From protein harvested out of thin air and glowing bioluminescent salads to lab-grown mammoth meat and crunchy jellyfish crisps, here are 15 of the strangest foods scientists are engineering for the f
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From the invisible stuff holding galaxies together to why your dog yawns when you do, these are the questions scientists still can't answer as of 2026.
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©TMDb / Built for Mars: The Perseverance Rover
