Explainer

The journey of Earth towards a colourful world began with the evolution of vision, which initially developed to distinguish light from dark over 600 million years ago

Parts of the United States are experiencing the 10th and coldest polar vortex event this season. Weather forces in the Arctic are combining to push the chilly air into the US and Europe

A 2009 terror attack on the Sri Lanka playing squad at Lahore resulted in international teams avoiding tours to Pakistan for almost a decade because of security concerns

While a large number of springs in the Valley are on the verge of going dry, the glaciers in Hindu Kush region are melting at fast pace due to erratic weather patterns in Kashmir

Delhi is located in zone IV, which has fairly high seismicity where the general occurrence of earthquakes is of 5-6 magnitude, a few of magnitude 6-7 and occasionally of 7-8 magnitude 

World Whale Day is a reminder of our responsibility to safeguard these magnificent creatures and their habitats for future generations

President Donald Trump is taking a blowtorch to the rules that have governed world trade for decades. The “reciprocal' tariffs that he announced are likely to create chaos for global businesses and conflict with America's allies and adversaries alike

This is what you can do to lower your risk from air pollution

Endometriosis, which often goes undiagnosed for years, can severely impact women’s quality of life and fertility if left untreated

Trees and green spaces can drive down urban temperatures. But they must be able to draw water from the soil to achieve cooling effects

Due to climate change, scientists believe in the coming decades, longer dry spells might lead to fewer rainbows on the arid, leeward sides of the islands

Parents need to be aware of the concerns about children's well-being around technology, including potential harms to mental health, if they are exposed to inappropriate content, bullying or simply use the phone too much

It was the 18th month of the last 19 that the world hit or passed the internationally agreed upon warming limit of 1.5 degrees Celsius (2.7 degrees Fahrenheit) above pre-industrial times

The disease, which can be mild, moderate or acute, attacks the avian families in multiple ways with issues relating to respiration, nervous system and digestion surfacing, and leading to the disease spreading rapidly among the flock

Republicans want the State Department to take more control of USAID’s policy and funds. Democrats want USAID’s autonomy and authority

US President Donald Trump's attempt to “Make America Great Again” is unlikely to succeed. The hundred executive orders Trump signed, the many statements he makes and his chosen personnel reveal his broad agenda

National Biodiversity Authority declared Guppy and Mosquitofish as 'invasive and alien' as they adversely impacted the local aquatic ecosystems by causing food scarcity for the indigenous fish species

The average tariff rate on all imports could spike seven times higher in 2025 under Trump. The United States has not seen an average tariff rate that high since the Great Depression era, say experts

2.5 billion Gmail users may have already been targeted by malicious actors who are using artificial intelligence to dupe users

Two engineering students of George Mason University in the United States have made a prototype of a sound device that can put off flames

On the fateful day of January 30, 1948, Mahatma Gandhi was assassinated by Nathuram Godse near Birla House in New Delhi

President Donald Trump, who made the deportation of immigrants a central part of his campaign and presidency, said that the US will use a detention center at Guantánamo Bay, Cuba, to hold tens of thousands of the worst criminal aliens

DeepSeek founder Liang Wenfeng, the new face of AI, spends his days reading papers, writing code, and says Chinese AI can’t be in the position of following forever

Apple had launched the last iPhone SE in 2022. Hence, the anticipation for the fourth-generation iPhone SE has been high