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Japan astronomers find thin atmosphere on small celestial body beyond Neptune
Previously Pluto was the only such body thought to have supported an atmosphere, due to its stronger surface gravity.
First seen · 9:08 AM UTCMay 5, 2026
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All today →Culture
Kodomo no Hi
Japan's Children's Day, part of Golden Week. Families fly koinobori — carp-shaped windsocks — outside their homes, one for each child. The carp swims upstream; so should you.
Culture
Cinco de Mayo
Commemorates Mexico's 1862 victory at the Battle of Puebla. A regional observance in Mexico, a much louder party in the US than it ever was south of the border.
Public holiday
Arrival Day
Arrival Day is observed in Guyana. Recognized nationally.
Public holiday
Children's Day
Children's Day is observed in Japan (こどもの日). Recognized nationally.
Also on this date in history
All →2023
The World Health Organization declares the end of the COVID-19 pandemic as a global health emergency.
Milestone2010
Mass protests in Greece erupt in response to austerity measures imposed by the government as a result of the Greek government-debt crisis.
Milestone2007
Kenya Airways Flight 507 crashes after takeoff from Douala International Airport in Douala, Cameroon, killing all 114 aboard, making it the deadliest aircraft disaster in Cameroon.
Disaster