India demonstrated its first 5.56 km free-space Quantum Key Distribution (QKD) link between Bhaskaracharya National Institute for Space Applications and Geo-informatics (BISAG-N) and IIT Gandhinagar.
The United States announced a new “Super Intelligence Force” task force to coordinate the federal government’s response to artificial intelligence (AI).
The Adani Ahmedabad Marathon was included in the World Athletics Global Calendar on 5 October 2026.
The 10th edition of the marathon will be held on 29 November 2026 in Ahmedabad, Gujarat.
A rare Japanese Sparrowhawk (Tachyspiza gularis) was sighted at Adyar Estuary, Chennai, marking the third recorded sighting in India.
The Japanese Sparrowhawk is classified as Least Concern on the IUCN Red List.
Veerangana Durgavati Tiger Reserve (VDTR) is set to become the third cheetah habitat in the state after Kuno National Park (Madhya Pradesh) and Gandhi Sagar Wildlife Sanctuary (Madhya Pradesh).
VDTR, also known as Nauradehi Tiger Reserve, covers about 2,339 sq km across Sagar, Damoh and Narsinghpur districts of Madhya Pradesh.
World Teachers’ Day is observed annually on 5 October to recognise teachers’ contributions, raise awareness about their challenges and promote better support for them.
The theme for the year 2026 is “Standing with teachers: 60 years of protecting the profession, advancing its status and shaping our futures”.