Will the US confirm that aliens exist by which date?
0.1 pt (24h)2mo
December 314%October 31-0.1pt1%+5 more outcomes
Medium quality (≤74)Tight spreadHigh liquidity
Total Vol$73.7M
24h Vol$163.3K
POLYMARKETScience
3,354 markets tracked all-time for Science, settled ones included. A market can appear under several topics.
Open Markets
3,101
Total Volume
$131,168,522
24h Volume
$236,682
Liquidity + open interest
$18,418,705
Related Crypto Assets
December 314%October 31-0.1pt1%POLYMARKET
Will the U.S. confirm that aliens exist?
15d
Before Jan 20, 202920%Before Jan 1, 2028-1.0pt13%Before Jan 1, 2027-0.2pt4%+4 more outcomes
Medium quality (61)Spread unknownHigh open interest
Total Vol$36.4M
24h Vol$29.9K
KALSHI
Will WHO declare Hantavirus a Public Health Emergency of International Concern this Year?
In Dec 31, 2026
2.8 pt (24h)2mo
Yes3%-2.8pt
No97%
High quality (85)Tight spreadHigh open interestNear resolution
Total Vol$2M
24h Vol$12.3K
KALSHI
Where will 2026 rank among the hottest years on record?
6.0 pt (24h)4mo
1+6.0pt79.6%2-8.0pt20.4%30%+3 more outcomes
High quality (81)Tight spreadHigh liquidity
Total Vol$3.8M
24h Vol$5.6K
POLYMARKET
10.0 or above earthquake before 2027?
0.3 pt (24h)3mo
Yes1%-0.3pt
No99%+0.3pt
High quality (78)Tight spreadHigh liquidityNear resolution
Total Vol$833.2K
24h Vol$6.9K
POLYMARKET
When will the next Millennium Prize be awarded?
1y
Before 203578%Before 203056%Before 202925%+2 more outcomes
Medium quality (62)Wide spreadHigh open interest
Total Vol$331.6K
24h Vol$2.2K
KALSHI
Will 2026 be the hottest year ever?
3.2 pt (24h)2mo
Yes67%+3.2pt
No33%
High quality (78)Tight spreadHigh open interestHigh ambiguity
Total Vol$424.1K
24h Vol$1.2K
KALSHI
Natural Disaster in 2026?
1.5 pt (24h)4mo
Yes7.9%-1.5pt
No92.1%+1.5pt
Medium quality (58)Moderate spreadLow liquidityNear resolution
Total Vol$250.1K
24h Vol$1.6K
POLYMARKET
How many human screwworm cases will be reported in the United States in 2026?
2.0 pt (24h)2mo
Above 020%Above 2+3.0pt13%Above 1+2.0pt11%+3 more outcomes
Medium quality (64)Moderate spreadHigh open interest
Total Vol$158.1K
24h Vol$1.6K
KALSHI
Will Elon Musk visit Mars in his lifetime?
2.0 pt (24h)
Yes13%+2.0pt
No87%
Medium quality (74)Moderate spreadHigh open interest
Total Vol$122.4K
24h Vol$1.6K
KALSHIHighest earthquake magnitude in 2026?
2mo
7.9 or below41%8.2 – 8.38%8.0 – 8.1-2.5pt7%+4 more outcomes
Low quality (40)Wide spreadMedium liquidityHigh ambiguity
Total Vol$28K
24h Vol$1.9K
POLYMARKET
Lowest Great Salt Lake elevation in 2026?
1.5 pt (24h)2mo
4,189.3 or 4,189.4-1.5pt75.7%Below 4,189.3+1.7pt22.3%4,189.5 or 4,189.6-0.9pt1.9%+1 more outcomes
Medium quality (72)Tight spreadMedium liquidity
Total Vol$31K
24h Vol$1.3K
POLYMARKET
US grants license for new nuclear reactor before 2027?
0.1 pt (24h)2mo
Yes5%-0.1pt
No95%
High quality (81)Tight spreadHigh open interestNear resolution
Total Vol$832.9K
24h Vol$669.2
KALSHI
Will there be an 8 magnitude earthquake in California before 2027?
2mo
Yes4%
No96%
High quality (80)Tight spreadHigh open interestNear resolution
Total Vol$497.1K
24h Vol$869.2
KALSHI9.0 or above earthquake before 2027?
0.2 pt (24h)3mo
Yes4%+0.2pt
No96%-0.2pt
Medium quality (71)Tight spreadMedium liquidityNear resolution
Total Vol$332.5K
24h Vol$764.2
POLYMARKET
Hantavirus vaccine in 2026?
0.5 pt (24h)2mo
Yes3%+0.5pt
No97%-0.5pt
High quality (76)Tight spreadHigh liquidityNear resolution
Total Vol$142.4K
24h Vol$523.2
POLYMARKET
How many major Atlantic hurricanes will there be in 2026?
6.0 pt (24h)1mo
Above 1-6.0pt22%Above 2+1.0pt10%Above 36%+5 more outcomes
Medium quality (59)Moderate spreadHigh open interestNear resolution
Total Vol$197.3K
24h Vol$275.6
KALSHI
What will be the largest source of global primary energy consumption in 2030?
4y
Oil62%Coal13%Gas+1.0pt7%+7 more outcomes
Medium quality (72)Tight spreadHigh open interestHigh ambiguity
Total Vol$146.7K
24h Vol$281.6
KALSHI
When will Compass Pathways submit a NDA for COMP360 psilocybin?
15d
before April 202790%before 202771%before December63%+3 more outcomes
Low quality (46)Wide spreadMedium open interestNear resolution
Total Vol$25.5K
24h Vol$660
KALSHIWhat will the biggest earthquake be on October 16, 2026?
21h
6.1 or more90.7%5.3 to 5.41.9%5.5 to 5.61.9%+3 more outcomes
Medium quality (55)Moderate spreadLow liquidityNear resolution
Total Vol$1.1K
24h Vol$1.2K
POLYMARKET
Will humans colonize Mars before 2050?
Yes28%
No72%
Medium quality (60)Moderate spreadMedium open interestHigh ambiguity
Total Vol$28.4K
24h Vol$340.2
KALSHIHow many 7.0 or above earthquakes in 2026?
2mo
14–1645%11–1322%17–1919%+4 more outcomes
Low quality (34)Wide spreadMedium liquidityHigh ambiguity
Total Vol$1.5M
24h Vol$169.9
POLYMARKET
Which countries will have an Ebola case in 2026?
2mo
Nigeria48%South Sudan35%Burundi24%+10 more outcomes
Medium quality (60)Tight spreadMedium liquidityNear resolution
Total Vol$67.7K
24h Vol$220.3
POLYMARKET
When will the first useful quantum computer be developed?
1.1 pt (24h)3y
Before 2040+4.0pt62%Before 2035+2.2pt54%Before 2030+1.1pt41%+1 more outcomes
Medium quality (52)Moderate spreadMedium open interestHigh ambiguity
Total Vol$48.3K
24h Vol$155.3
KALSHI
8.0 magnitude earthquake in Japan before 2030?
3.0 pt (24h)3y
Yes34%+3.0pt
No66%
Medium quality (65)Moderate spreadMedium open interestHigh ambiguity
Total Vol$45.7K
24h Vol$145.1
KALSHI
When will an AI lab solve another Millennium Prize Problem?
14.0 pt (24h)2mo
Before 202865%Before Jul 1, 202756%Before 2027+14.0pt42%+3 more outcomes
Low quality (43)Wide spreadMedium open interestHigh ambiguity
Total Vol$13K
24h Vol$229.2
KALSHI
How many human H5N1 cases will be reported in the United States in 2026?
44.0 pt (24h)2mo
Above 0+44.0pt74%Above 126%Above 226%+5 more outcomes
Low quality (35)Wide spreadMedium open interestHigh ambiguity
Total Vol$6.6K
24h Vol$216.7
KALSHI
How many large volcano eruptions (VEI ≥4) in 2026?
5mo
160.4%028.7%2+0.1pt7.9%+3 more outcomes
Low quality (41)Wide spreadMedium liquidityHigh ambiguity
Total Vol$1.2M
24h Vol—
POLYMARKET
Which country will be the next to send humans to the Moon?
1.1 pt (24h)4y
United States-1.1pt56%China-0.1pt31%Russia1%+2 more outcomes
Medium quality (60)Tight spreadHigh open interestHigh ambiguity
Total Vol$171.1K
24h Vol$59.2
KALSHI
When will the Riemann hypothesis win the Millennium Prize?
6.0 pt (24h)8y
Before 2035-6.0pt49%Before 203240%Before 203032%+1 more outcomes
Medium quality (51)Wide spreadHigh open interestHigh ambiguity
Total Vol$144.4K
24h Vol$5.8
KALSHI
US test scores in Reading in 2026?
1.0 pt (24h)1y
Significant decrease-1.0pt42%No significant difference41%Significant increase+1.0pt20%Medium quality (66)Tight spreadHigh open interestHigh ambiguity
Total Vol$69.6K
24h Vol$37.1
KALSHIMajor volcano eruption (VEI ≥6) in 2026?
3.7 pt (24h)5mo
Yes10%+3.7pt
No90%-3.7pt
Low quality (45)Wide spreadMedium liquidityNear resolution
Total Vol$147.8K
24h Vol—
POLYMARKET
Will a humanoid robot walk on Mars before a human does?
Before 2035
3.8 pt (24h)8y
Yes47%+3.8pt
No53%
Medium quality (59)Moderate spreadMedium open interestHigh ambiguity
Total Vol$56.3K
24h Vol$21.4
KALSHIWill 2026 be the hottest year ever?
3.0 pt (24h)2mo
Yes67%+3.0pt
No33%
Medium quality (58)Moderate spreadMedium open interestHigh ambiguity
Total Vol$29K
24h Vol$67
KALSHI
How many gonorrhea cases will be reported in the United States in 2026?
2mo
Above 285k99%Above 300k99%Above 325k95%+6 more outcomes
Low quality (42)Wide spreadMedium open interestNear resolution
Total Vol$28.4K
24h Vol$38.5
KALSHI
When will nuclear fusion be achieved?
5.3 pt (24h)13y
Before 2040+5.3pt52%Before 203551%Before 203028%Medium quality (57)Tight spreadMedium open interestHigh ambiguity
Total Vol$50.1K
24h Vol$9.3
KALSHI
Is Earth flat?
2mo
Yes1%
No99%
Low quality (≤49)Tight spreadHigh liquidityNear resolution
Total Vol$59.6K
24h Vol—
POLYMARKET
Will there be a year without polio before 2030?
2.8 pt (24h)3y
Yes4%-2.8pt
No96%
Medium quality (61)Moderate spreadMedium open interestNear resolution
Total Vol$42.7K
24h Vol$5.2
KALSHIWill there be an at least 8.0 magnitude earthquake in California before 2028?
1.0 pt (24h)2y
Yes11%-1.0pt
No89%
Medium quality (62)Moderate spreadMedium open interest
Total Vol$14.5K
24h Vol$55.3
KALSHI
AI wins IMO gold medal in 2026?
2mo
Yes6%
No94%
Low quality (≤49)Tight spreadMedium liquidityNear resolution
Total Vol$40.9K
24h Vol—
POLYMARKET
Will a supervolcano erupt before 2050?
Before Jan 1, 2050
Yes39%
No61%
Low quality (42)Wide spreadMedium open interestHigh ambiguity
Total Vol$35.4K
24h Vol—
KALSHIWill there be an at least 8.0 magnitude earthquake in California before 2035?
5.0 pt (24h)9y
Yes29%-5.0pt
No71%
Medium quality (55)Wide spreadMedium open interestHigh ambiguity
Total Vol$28.9K
24h Vol$3
KALSHI
When will Beam Therapeutics submit a BLA for Risto-cel?
11.0 pt (24h)2mo
before April 202769%before 2027-11.0pt51%before December34%+3 more outcomes
Medium quality (53)Moderate spreadMedium open interestHigh ambiguity
Total Vol$25K
24h Vol$5
KALSHI
US solar capacity installed in 2026
0.2 pt (24h)5mo
At least 40 GWdc+0.2pt97%At least 35 GWdc97%At least 45 GWdc74%+2 more outcomes
Low quality (34)Wide spreadMedium open interestNear resolution
Total Vol$16.7K
24h Vol$13.4
KALSHI
Will the world pass 2 degrees Celsius over pre-industrial levels before 2050?
Yes68%
No32%
Low quality (≤49)Moderate spreadMedium open interestHigh ambiguity
Total Vol$21.1K
24h Vol—
KALSHI
Magnitude 6.5+ earthquake in LA before 2027?
2mo
Yes4%
No96%
Low quality (46)Wide spreadLow liquidityThin market
Total Vol$20.6K
24h Vol—
POLYMARKET
Major volcano eruption in 2026?
8mo
At least 138%At least 211%At least 34%Low quality (32)Wide spreadMedium open interestHigh ambiguity
Total Vol$19.9K
24h Vol—
KALSHI
Will there be a case of polio in the USA this year?
In 2026
2.0 pt (24h)2mo
Yes11%+2.0pt
No89%
Medium quality (58)Moderate spreadMedium open interest
Total Vol$12.6K
24h Vol$14
KALSHI