Shape of the universe: Could it be curved, not flat?

New research places probability of a curved universe at more than 99%

Carl Sagan, the animal rights visionary

He was talking about global warming and humane treatment of animals before they became fashionable

A scrapbook of wonder

Caspar Henderson inspires us to broaden the horizons of our sense of wonder

Discovery of two new giant radio galaxies offers fresh insights into the universe

They are about 62 times the size of the Milky Way but are fainter than some others the same size

A lesson on acceptance: It has been half a decade since we lost Stephen Hawking

Without acceptance, the great theoretical physicist and cosmologist may not have uncovered the cosmic mysteries that he did

Did a supernova trigger the late Devonian extinction?

Earth suffered an intense loss of species diversity that lasted for at least 300,000 years, possibly caused by long-lasting ozone depletion, …

Understanding the cosmos: Bizarre flash of light traced back to kilonova a billion light years away

Odd behaviour by gamma ray burst breaks long-held traditional paradigm

Get a good night's sleep

March 15 is a day to celebrate good sleep and create awareness about lowering sleep problems in society through better prevention and management. …