Will the US confirm that aliens exist by which date?
1.2 pt (24h)2mo
December 31-1.2pt4%October 31+0.1pt1%+5 more outcomes
Medium quality (≤74)Tight spreadHigh liquidity
Total Vol$75.1M
24h Vol$374K
POLYMARKETScience
3,443 markets tracked all-time for Science, settled ones included. A market can appear under several topics.
Open Markets
3,176
Total Volume
$133,635,919
24h Volume
$419,010
Liquidity + open interest
$18,754,080
Related Crypto Assets
December 31-1.2pt4%October 31+0.1pt1%POLYMARKET
Will the U.S. confirm that aliens exist?
0.1 pt (24h)2mo
Before Jan 20, 202922%Before Jan 1, 2028+1.0pt14%Before Jan 1, 2027+0.1pt5%+4 more outcomes
Medium quality (≤74)Tight spreadHigh open interest
Total Vol$37.2M
24h Vol$21.3K
KALSHI
Where will 2026 rank among the hottest years on record?
3.5 pt (24h)4mo
1+3.5pt89.9%2-2.5pt10.1%30%+3 more outcomes
Medium quality (72)Wide spreadHigh liquidity
Total Vol$3.8M
24h Vol$3.4K
POLYMARKET
Will 2026 be the hottest year ever?
2.2 pt (24h)2mo
Yes81%+2.2pt
No19%
Medium quality (72)Tight spreadHigh open interest
Total Vol$436.4K
24h Vol$2.8K
54 minutes agoKALSHI
KALSHI
Will there be an 8 magnitude earthquake in California before 2027?
1.0 pt (24h)2mo
Yes4%-1.0pt
No96%
Medium quality (72)Tight spreadHigh open interestNear resolution
Total Vol$517.1K
24h Vol$2K
54 minutes agoKALSHI
KALSHI
When will the first useful quantum computer be developed?
1.3 pt (24h)3y
Before 204062%Before 203554%Before 2030-1.3pt33%+1 more outcomes
Medium quality (53)Moderate spreadMedium open interestHigh ambiguity
Total Vol$49.8K
24h Vol$1.2K
54 minutes agoKALSHI
KALSHI
How many 7.0 or above earthquakes in 2026?
2mo
14–1644.9%17–1937.4%11–1314.9%+4 more outcomes
Low quality (38)Wide spreadLow liquidityHigh ambiguity
Total Vol$1.5M
24h Vol$374.3
POLYMARKET10.0 or above earthquake before 2027?
0.3 pt (24h)3mo
Yes2%+0.3pt
No98%-0.3pt
High quality (76)Tight spreadHigh liquidityNear resolution
Total Vol$833.7K
24h Vol$552
POLYMARKET
How many tuberculosis cases will be reported in the United States in 2026?
2mo
Above 8k97%Above 7k92%Above 9k+5.0pt72%+2 more outcomes
Medium quality (53)Tight spreadMedium open interestNear resolution
Total Vol$19.3K
24h Vol$1.5K
54 minutes agoKALSHI
KALSHI
Marathon Fusion's high-rate gold alchemy confirmed by which date?
16.0 pt (24h)8mo
June 30+16.0pt61%December 3112%Low quality (46)Moderate spreadMedium liquidityHigh ambiguity
Total Vol$15.6K
24h Vol$1.2K
54 minutes agoPOLYMARKET
POLYMARKETWhat will the biggest earthquake be on October 25, 2026?
73.5 pt (24h)18h
6.1 or more+73.5pt92.4%5.9 to 6.0-9.9pt2.9%5.3 to 5.4-13.9pt1.9%+3 more outcomes
Low quality (42)Wide spreadLow liquidityNear resolution
Total Vol$4.3K
24h Vol$3.3K
54 minutes agoPOLYMARKET
POLYMARKET
How many human H5N1 cases will be reported in the United States in 2026?
2mo
Above 169%Above 3+47.0pt64%Above 2+12.0pt58%+5 more outcomes
Medium quality (50)Moderate spreadMedium open interestNear resolution
Total Vol$9.6K
24h Vol$1.1K
54 minutes agoKALSHI
KALSHI
How many major Atlantic hurricanes will there be in 2026?
2.0 pt (24h)1mo
Above 1+3.0pt14%Above 2+2.0pt5%Above 33%+5 more outcomes
Medium quality (65)Moderate spreadHigh open interestNear resolution
Total Vol$210.3K
24h Vol$484.4
KALSHI
What will be the largest source of global primary energy consumption in 2030?
4y
Oil60%Coal13%Gas7%+7 more outcomes
Medium quality (64)Tight spreadHigh open interestHigh ambiguity
Total Vol$148.8K
24h Vol$358.1
54 minutes agoKALSHI
KALSHIWhat will the biggest earthquake be on October 26, 2026?
4.0 pt (24h)1d
6.1 or more+4.0pt28.6%5.5 to 5.618.4%5.7 to 5.814.3%+3 more outcomes
Medium quality (59)Moderate spreadMedium liquidityHigh ambiguity
Total Vol$2K
24h Vol$2K
54 minutes agoPOLYMARKET
POLYMARKET
How many gonorrhea cases will be reported in the United States in 2026?
4.0 pt (24h)2mo
Above 325k+4.0pt99%Above 285k99%Above 300k99%+6 more outcomes
Medium quality (55)Tight spreadMedium open interestNear resolution
Total Vol$29.9K
24h Vol$933.3
54 minutes agoKALSHI
KALSHI
Will humans colonize Mars before 2050?
2.6 pt (24h)
Yes25%-2.6pt
No75%
Medium quality (57)Moderate spreadMedium open interestHigh ambiguity
Total Vol$28.8K
24h Vol$289
54 minutes agoKALSHI
KALSHI
How many large volcano eruptions (VEI ≥4) in 2026?
5mo
130%320%016%+3 more outcomes
Low quality (35)Wide spreadMedium liquidityHigh ambiguity
Total Vol$1.2M
24h Vol$117.9
POLYMARKET
US grants license for new nuclear reactor before 2027?
1.1 pt (24h)2mo
Yes6%+1.1pt
No94%
Medium quality (66)Tight spreadHigh open interestNear resolution
Total Vol$835.7K
24h Vol$138.9
54 minutes agoKALSHI
KALSHI
How many human screwworm cases will be reported in the United States in 2026?
1.0 pt (24h)2mo
Above 031%Above 1+1.0pt12%Above 28%+3 more outcomes
Medium quality (56)Tight spreadHigh open interestHigh ambiguity
Total Vol$172.4K
24h Vol$220.6
54 minutes agoKALSHI
KALSHI
Which countries will have an Ebola case in 2026?
2.5 pt (24h)2mo
Somalia53%South Sudan49%Republic of the Congo-2.5pt22%+10 more outcomes
Medium quality (50)Moderate spreadMedium liquidityNear resolution
Total Vol$75.2K
24h Vol$218.5
POLYMARKET
Lowest Great Salt Lake elevation in 2026?
2mo
4,189.3 or 4,189.483.5%Below 4,189.3+0.2pt13.4%4,189.5 or 4,189.63.1%+1 more outcomes
Medium quality (63)Tight spreadMedium liquidity
Total Vol$47.7K
24h Vol$101.3
POLYMARKET
US solar capacity installed in 2026
12.1 pt (24h)5mo
At least 35 GWdc97%At least 40 GWdc97%At least 45 GWdc-12.1pt61%+2 more outcomes
Low quality (29)Wide spreadMedium open interestNear resolution
Total Vol$18.3K
24h Vol$200
54 minutes agoKALSHI
KALSHI
When will Beam Therapeutics submit a BLA for Risto-cel?
2.0 pt (24h)1mo
before April 202769%before 202751%before December-2.0pt27%+3 more outcomes
Low quality (44)Wide spreadMedium open interestHigh ambiguity
Total Vol$25.1K
24h Vol$130
KALSHI
Will a human land on Mars before California starts high-speed rail?
Before 2050
3.0 pt (24h)
Yes28%-3.0pt
No72%
Medium quality (50)Moderate spreadMedium open interestHigh ambiguity
Total Vol$16.9K
24h Vol$209.3
1 hour agoKALSHI
KALSHI
When will an AI lab solve another Millennium Prize Problem?
3.0 pt (24h)2mo
Before 202869%Before Jul 1, 202741%Before 2027-3.0pt19%+3 more outcomes
Medium quality (56)Tight spreadMedium open interestHigh ambiguity
Total Vol$14.8K
24h Vol$160.9
KALSHI
How bad will CO2 atmospheric concentration get before 2030?
8.0 pt (24h)3y
At least 44086%At least 44530%At least 450+8.0pt21%+2 more outcomes
Low quality (33)Wide spreadMedium open interest
Total Vol$15.1K
24h Vol$135.4
54 minutes agoKALSHI
KALSHI
Will WHO declare Hantavirus a Public Health Emergency of International Concern this Year?
In Dec 31, 2026
2mo
Yes2%
No98%
High quality (75)Tight spreadHigh open interestNear resolution
Total Vol$2M
24h Vol$65.6
KALSHI
Which country will be the next to send humans to the Moon?
0.5 pt (24h)4y
United States-0.5pt57%China-0.1pt31%Russia2%+2 more outcomes
Medium quality (64)Tight spreadHigh open interestHigh ambiguity
Total Vol$185.4K
24h Vol$88
KALSHI
Will Elon Musk visit Mars in his lifetime?
2.0 pt (24h)
Yes9%-2.0pt
No91%
Medium quality (57)Moderate spreadHigh open interestNear resolution
Total Vol$123.5K
24h Vol$63.2
54 minutes agoKALSHI
KALSHI
When will the next Millennium Prize be awarded?
1.3 pt (24h)3y
Before 203578%Before 2030+1.3pt61%Before 202920%+2 more outcomes
Low quality (45)Moderate spreadHigh open interest
Total Vol$336.6K
24h Vol$3.2
1 hour agoKALSHI
KALSHI9.0 or above earthquake before 2027?
0.1 pt (24h)3mo
Yes4%+0.1pt
No96%-0.1pt
Low quality (≤49)Tight spreadHigh liquidityNear resolution
Total Vol$332.7K
24h Vol—
POLYMARKET
Natural Disaster in 2026?
0.5 pt (24h)4mo
Yes12.9%+0.5pt
No87.1%-0.5pt
Low quality (≤49)Tight spreadLow liquidityThin market
Total Vol$251.2K
24h Vol—
POLYMARKETMajor volcano eruption (VEI ≥6) in 2026?
0.3 pt (24h)5mo
Yes6.9%-0.3pt
No93.1%+0.3pt
Medium quality (58)Moderate spreadMedium liquidityNear resolution
Total Vol$148K
24h Vol$17.8
POLYMARKET
US test scores in Reading in 2026?
1y
No significant difference44%Significant decrease32%Significant increase20%Medium quality (66)Tight spreadHigh open interestHigh ambiguity
Total Vol$74.9K
24h Vol$54.8
KALSHI
When will nuclear fusion be achieved?
0.2 pt (24h)3y
Before 204052%Before 203551%Before 2030+0.2pt28%Low quality (48)Moderate spreadMedium open interestHigh ambiguity
Total Vol$50.2K
24h Vol$88.7
54 minutes agoKALSHI
KALSHI
When will the Riemann hypothesis win the Millennium Prize?
1y
Before 203250%Before 203549%Before 203032%+1 more outcomes
Low quality (≤49)Tight spreadHigh open interestHigh ambiguity
Total Vol$145.2K
24h Vol—
54 minutes agoKALSHI
KALSHI
Hantavirus vaccine in 2026?
0.1 pt (24h)2mo
Yes3%+0.1pt
No97%-0.1pt
Low quality (≤49)Tight spreadHigh liquidityNear resolution
Total Vol$142.8K
24h Vol—
POLYMARKET
8.0 magnitude earthquake in Japan before 2030?
3y
Yes29%
No71%
Low quality (49)Moderate spreadMedium open interestHigh ambiguity
Total Vol$45.8K
24h Vol$37
54 minutes agoKALSHI
KALSHIWill there be an at least 8.0 magnitude earthquake in California before 2035?
2.0 pt (24h)9y
Yes29%+2.0pt
No71%
Low quality (43)Wide spreadMedium open interestHigh ambiguity
Total Vol$28.9K
24h Vol$61
54 minutes agoKALSHI
KALSHI
When will Compass Pathways submit a NDA for COMP360 psilocybin?
6d
before 202796%before April 202786%before December-7.0pt40%+3 more outcomes
Medium quality (53)Moderate spreadMedium open interestNear resolution
Total Vol$26.2K
24h Vol$61.3
KALSHI
Is Earth flat?
2mo
Yes1%
No99%
Low quality (≤49)Tight spreadHigh liquidityNear resolution
Total Vol$61K
24h Vol—
POLYMARKET
Will a humanoid robot walk on Mars before a human does?
Before 2035
8y
Yes48%
No52%
Low quality (43)Wide spreadMedium open interestHigh ambiguity
Total Vol$57.3K
24h Vol—
54 minutes agoKALSHI
KALSHI
Will there be a year without polio before 2030?
3y
Yes9%
No91%
Low quality (47)Moderate spreadMedium open interestNear resolution
Total Vol$42.9K
24h Vol—
54 minutes agoKALSHI
KALSHI
AI wins IMO gold medal in 2026?
2mo
Yes5%
No95%
Low quality (≤49)Tight spreadLow liquidityThin market
Total Vol$41.3K
24h Vol—
POLYMARKET
Will a supervolcano erupt before 2050?
Before Jan 1, 2050
Yes26%
No74%
Low quality (33)Wide spreadMedium open interestHigh ambiguity
Total Vol$35.4K
24h Vol$2.7
54 minutes agoKALSHI
KALSHIWill 2026 be the hottest year ever?
2.0 pt (24h)2mo
Yes80%+2.0pt
No20%
Medium quality (53)Tight spreadMedium open interest
Total Vol$30K
24h Vol$3.1
54 minutes agoKALSHI
KALSHI
Will there be a case of polio in the USA this year?
In 2026
2mo
Yes6%
No94%
Low quality (47)Moderate spreadMedium open interestNear resolution
Total Vol$13.2K
24h Vol$39
54 minutes agoKALSHI
KALSHI