High levels of air pollution in north India: The AQI transforms complex air quality data of various pollutants into a single number. Here are the index's eight constituents, the pollutants' sources and why they are cause for concern.

Botswana has an elephant problem — there are simply too many of them. That is why, when Germany proposed to enact stricter limits on import of hunted trophies, Botswana’s president clapped back.

The Revolt of 1857 ended the rule of the East India Company over India, which would now be governed by and in the name of the British Monarch through a Secretary of State. The British were forced to announce the aim of their rule, and what would be their…

In its forecast for April, the IMD had warned of extreme heat and prolonged heatwave conditions to prevail over large parts of the country during the month. There are two main reasons for this. Here is a look.

Also known as auroras, they are essentially natural lights that appear as bright, swirling curtains in the night sky and can be seen in a range of colours, including blue, red, yellow, green, and orange.

Thotakura flew aboard a spacecraft of Blue Origin, one of the few private space companies offering a joy ride to people wanting to venture into space. The whole journey, from take off to landing lasted only about ten minutes.

The name Remal, meaning ‘sand’ in Arabic, was chosen by Oman. But why are cyclones named in the first place? And how does the naming convention work?

Parts of India are witnessing unprecedented high maximum temperatures. But what makes heatwaves truly deadly are warmer nights and high humidity

The high court questioned why multiple SIM cards can be registered under one name, in light of rising cases of online fraud. What does the law say and what are the issues in linking SIM cards to security?

Wildfires have been a natural part of the Arctic’s boreal forest and tundra ecosystems. However, in recent years, their frequency and scale in the regions have increased.

Although the samples were collected in 2017, they were not dated until earlier this year. The painting is more than 5,000 years older than the previous oldest cave art — it was a painting of a wild pig, which was discovered in 2020 in Leang Tedongnge, Indonesia.

At the heart of the Karma festival is the Karam tree — traditionally seen as a symbol of Karam Devta or Karamsani, the god of strength, youth, and vitality, and the object from which the festival takes its name.

Addressing the media, Union Minister Ashwini Vaishnaw said simultaneous polls would be held in two phases — the first will cover Lok Sabha and Assembly elections, and the second, which will be held within 100 days of the first, will cover local body elections

Mini-moons are asteroids that fail to escape Earth’s gravity and end up orbiting the planet for some time. Why are they significant for scientists to study?

National Youth Day 2025: As part of his famous Chicago address in 1893, Vivekananda said, “Sectarianism, bigotry, and its horrible descendant, fanaticism, have long possessed this beautiful earth… Had it not been for these horrible demons, human society would…