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Artemis astronauts gird for re-entry and splashdown

The Artemis II astronauts conducted a historic lunar flyby, gathered invaluable data and took in unprecedented Moon views, but one of the most crucial moments of their 10-day mission is still to come: Friday’s (April 10, 2026) splashdown. Earlier this week, Americans Reid Wiseman, Victor Glover and Christina Koch along with Canadian Jeremy Hansen voyaged...

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Indian scientists find new way to measure distances in deep space

Indian astronomers, including from IIT-Kanpur, have developed a new way to measure distances in the universe using the pulsating cores of dead stars, by studying how their radio emissions are distorted as they travel through space. The technique combines a pair of subtle effects that occur when pulsar signals pass through clouds of ionised gas...

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Why does India want fast breeder nuclear reactors? | Explained

In an important milestone, the prototype fast breeder reactor (PFBR) at Kalpakkam achieved criticality on April 6. The term ‘criticality’ is familiar to India: over the decades, it has been associated with the slow and tedious successes of India’s nuclear power programme. At the same time, in keeping with many terms in the nuclear vocabulary,...

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Why do the oceans have currents?

A: The earth formed as a molten world. Around 4 billion years ago, its surface cooled enough for water vapour to condense. Torrential rains then fell for centuries, filling basins to create the first oceans around 3.8 billion years ago. Once liquid water covered large parts of the surface, three forces set it in motion....

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