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Science & Technology

Space, defence tech, biotechnology and digital infrastructure

April 2026 20 articles
04 04

ISRO launches mission in Ladakh to test mental, physical strength of astronauts

ISRO's Human Space Flight Centre (HSFC) launched Mission MITRA (Mapping of Interoperable Traits & Reliability Assessment) in Ladakh from April 2 to 9, 2026. ...

GS3 Science & Technology 3m
04 04

Rajnath Singh lays foundation stone of a Large Cavitation Tunnel at NSTL, Visakhapatnam

Defence Minister Rajnath Singh laid the foundation stone of a state-of-the-art Large Cavitation Tunnel (LCT) at the Naval Science and Technological Laborator...

GS3 (Internal Security Science & Technology Defence) Internal Security Science & Technology 5m
04 04

From ethanol to bio-isobutanol: India’s next leap

India is exploring isobutanol as the next frontier in biofuel blending after experiments with direct ethanol-diesel blending proved unsuccessful due to poor ...

GS3 (Economics S&T Environment) Economics Science & Technology Environment & Ecology 4m
04 04

INS Aridaman: The significance of India’s third nuclear submarine

INS Aridhaman, India's third nuclear-powered ballistic missile submarine, was commissioned on April 3, 2026, completing a long-pursued milestone in India's n...

GS3 Internal Security Science & Technology 4m
04 04

India’s third home-grown N-sub commissioned; Rajnath also launches stealth frigate, large cavitation tunnel facility at Vizag

India commissioned INS Aridhaman, its third indigenous nuclear-powered ballistic missile submarine (SSBN), at Visakhapatnam on April 3, 2026 INS Aridhaman ha...

GS3 Internal Security Science & Technology 5m
03 03

Raksha Mantri lays foundation stone of Large Cavitation Tunnel at NSTL, Visakhapatnam to boost naval research & testing capabilities

Raksha Mantri Rajnath Singh laid the foundation stone of a state-of-the-art Large Cavitation Tunnel (LCT) at the Naval Science & Technological Laboratory (NS...

GS3 Science & Technology Internal Security 4m
03 03

HAL imposes ‘contractual penalties’ on GE for Tejas engine delivery delay; PSU chief says Russia made presentation on Su-57 jet

Hindustan Aeronautics Limited (HAL) has imposed contractual penalties on GE Aerospace for delays in delivering F404-IN20 engines for the Tejas Mark 1A Light ...

GS3 Internal Security Science & Technology 4m
03 03

Gaganyaan: Mission MITRA commences in Leh

Mission MITRA (Mapping of Interoperable Traits and Reliability Assessment) has commenced in Leh, Ladakh — the latest phase of astronaut preparation for India...

GS Paper 3 Science & Technology 5m
03 03

INS Aridhaman, nuclear-powered submarine, enters India’s naval fleet

INS Aridhaman, India's third nuclear-powered ballistic missile submarine (SSBN), was quietly commissioned into the Indian Navy at Visakhapatnam without a pub...

GS3 (Defence Internal Security Science & Technology) Science & Technology Internal Security 4m
03 03

INS Aridhaman: Here’s what to know about India’s new nuclear-powered ballistic submarine

India has commissioned INS Aridhaman (SSBN 82), its third nuclear-powered ballistic missile submarine, into the Indian Navy in April 2026. Aridhaman is the l...

GS3 (Defence Security) Internal Security Science & Technology 4m
03 03

Karnataka tops under ‘Namo Drone Didi Yojana’

Karnataka has emerged as the top-performing state under the Namo Drone Didi Yojana, a central sector scheme that trains women from Self-Help Groups (SHGs) as...

GS Paper 2 (Government Schemes Women Empowerment) and GS Paper 3 (Agriculture Technology S&T) Polity & Governance Science & Technology 5m
03 03

Artemis II’s moon-bound astronauts capture Earth’s brilliant blue beauty as they leave it behind

Artemis II astronauts released stunning photographs of Earth taken from approximately 100,000 miles away as they continued their journey toward the Moon — th...

GS3 (Science & Technology) Science & Technology 6m
03 03

Daily Quiz: On NASA’s Artemis II mission

NASA's Artemis II mission, launched April 1, 2026, marks humanity's first crewed journey to the lunar vicinity in over 50 years — since Apollo 17 in December...

GS3 (Science & Technology) Science & Technology 6m
03 03

Watch: Artemis II crew make contact with Earth, describe breathtaking sights

The four-member crew of NASA's Artemis II mission made video contact with Earth on April 3, 2026, broadcasting extraordinary views of our planet from deep sp...

GS3 (Science & Technology) Science & Technology 6m
03 03

U.S. agencies to monitor drinking water for microplastics, pharmaceuticals

The U.S. Environmental Protection Agency (EPA) published a draft Sixth Contaminant Candidate List (CCL 6) that, for the first time, includes microplastics an...

GS3 (Environment Science & Technology) Environment & Ecology Science & Technology 4m
03 03

First crewed moon mission of the 21st century, Artemis II launched successfully

NASA's Artemis II mission launched on April 1, 2026, at 6:35 PM EDT from Launch Pad 39B, Kennedy Space Center, Florida — marking the first crewed lunar missi...

GS3 Science & Technology International Relations 4m
03 03

‘Not words, but power’: India inducts nuclear-powered ballistic missile submarine INS Aridhaman

India formally inducted INS Aridhaman, its third nuclear-powered ballistic missile submarine (SSBN), into the Indian Navy, completing a critical milestone in...

GS3 (Defence Internal Security Science & Technology) Internal Security Science & Technology 4m
03 03

Failure of U.P. govt.: Oppn. after tigress found dead on railway track in Dudhwa buffer zone

A tigress estimated to be five to six years old was found dead near the Bankeyganj-Mailani railway track in the Mailani range of Dudhwa Tiger Reserve's buffe...

GS3 (Environment & Ecology) GS2 (Governance) Science & Technology Polity & Governance 4m
03 03

OpenAI buys tech talk show TBPN in push to shape AI narrative

OpenAI has acquired TBPN (Technology Business Programming Network) — a daily live tech and business talk show hosted by former founders John Coogan and Jordi...

GS Paper 3 (Science & Technology — AI governance digital media) Science & Technology 5m
03 03

‘Only country to have lost mariners’—India flags its concerns at UK-led West Asia talks

Foreign Secretary Vikram Misri represented India at a high-level meeting hosted by UK Foreign Secretary Yvette Cooper, convening over 60 countries to address...

GS2 (International Relations) GS3 (Internal Security) Science & Technology Economics 4m
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