Learn about OPSC VAS Syllabus 2025, including subject-wise topics, weightage, best books, and preparation tips on this page.

Adrian Tchaikovsky is the award-winning author of many books of science fiction and fantasy, including The Children of Time, ...

Adrian Tchaikovsky is the award-winning author of many books of science fiction and fantasy, including The Children of Time, ...

WHEN Maeve Duffy began experiencing a “persistent” earache, she never imagined it could be a rare and aggressive tumour that ...

One is essential to making the bed; the other tends to hotly divide people — where do you stand on the debate?

NASA's James Webb Space Telescope has been unwaveringly focused on our universe. With its unprecedented power to detect and ...

In March 1997, thousands witnessed massive V-shaped lights drifting silently over Phoenix, sparking one of history’s most ...

It's a regrettable reality that there is never enough time to cover all the interesting scientific stories we come across each month. In the past, we've featured year-end roundups of cool science ...

The downsides of diagnosis and an epic trek following a Slovenian wolf are among our culture editor's top popular science ...

Science does not just happen in labs or academic journals. It shapes our health, our economy, our security and our way of ...

There is currently a 4.3% chance that the giant space rock 2024 YR4 will hit the moon in seven years. If this does happen, ...

To celebrate Scientific American ’s 180th anniversary, we’re publishing a jigsaw every weekday to show off some of our most ...