Explanation

 The world's oldest known rock art, a hand stencil dating back at least 67,800 years, was discovered in the Liang Metanduno limestone cave on Muna Island, located off the southeastern coast of Sulawesi, Indonesia

***

Explanation

Riyadh Metro has been certified by Guinness World Records as the world’s longest fully driverless metro network.

The total network length is 176 kilometres (109 miles) with six lines and 85 stations.

This marks Riyadh’s rise as a global leader in smart and high-tech urban transport.

***

Explanation

The first country from the European Union (EU) to introduce fuel rationing amid energy disruptions in 2026 is Slovenia.

 Additional Information:  

Slovenia imposed limits on how much fuel people could buy because of shortages and long lines at petrol stations, making it the first EU member state to use fuel rationing in response to escalating U.S.-Israeli conflict with Iran

***

Explanation

NASA, the space agency of the United States (US), developed the Nancy Grace Roman Space Telescope to investigate dark matter, dark energy, and the infrared universe. Completed in 2026, it features a 2.4-meter mirror with a, field of view 100 times larger than Hubble, allowing for rapid, wide-field 3D cosmic mapping.

Explanation

Sudan has allowed Russia to establish its first naval base on African soil. Located in Port Sudan along the Red Sea, the 25-year agreement allows Moscow to maintain up to four warships and 300 personnel in exchange for military aid and weaponry.

****