Gravitational waves can help determine expansion rate, according to team at International Centre for Theoretical Sciences. Findings published in 'Physical Review Letters'.
The matter that makes up the familiar world around us is just 5% of everything in the universe. The majority of the cosmos – around 68% – is dark energy.
Studying a gamma-ray burst from 3 billion years ago, Australian researchers discover mysterious intermediate-mass black hole, whose existence was doubted by many until a few years ago.
On 29 May 1951, Jawaharlal Nehru defended adding 'reasonable restrictions' to Article 19, arguing that free speech must be balanced with national security and unity.
This is the game every nation is now learning to play. Some are finding new allies or seeing value among nations where they’d seen marginal interest. The starkest example is India & Europe.
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