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What scientists say about the unusual object moving through our solar system

Comet 3I/ATLAS, the third known interstellar object ever detected passing through our solar system, carries a chemical signature that does not match what astronomers typically see in comets born ...

Meet these Chennai residents serving as ‘spokespersons’ for sustainable energy

Even as Wels in Austria hosted World Sustainable Energy Days 2026 last week, The Hindu Downtown picked the brains of quiet influencers in Chennai Bhuvana Raj and Saravanan Palanichami whose philosophy ...