The lake city Udaipur, Rajasthan is known for its picturesque, serene lakes with clear waters appearing bright white and deep blue. Unusual pink/red colour waterbodies looks almost unreal. Here we reporta unique crimson pink coloured water body near Nagda (24°43'51.29"N and 73°43'41.59"E) observed during recent field trip (Mid-January) to Udaipur while on the way to Eklingji. It is nearly 300m Continue Reading »

Authors- Shuchita Srivastava, Yogesh Kant and D. Mitra The Hayli Gubbi volcano in Ethiopia experienced its first confirmed eruption in approximately 12,000 years on 23 November 2025 at 14:00 IST, producing an ash column that reached an estimated altitude of 10–15 kilometers. The resulting plume was transported by upper-tropospheric winds toward India and China. Traveling at speeds of 100–120 km/h Continue Reading »

Authors- Ashok Ghildiyal and Ashish Joshi, Indian Institute of Remote Sensing, ISRO Dehradun NOAA weather satellites continuously transmit Automatic Picture Transmission (APT) signals that carry live images of the Earth’s surface. These signals can be received using a software-defined radio (SDR) such as an RTL-SDR dongle, paired with a suitable antenna and decoding software. The NOAA satellites, particularly NOAA-18 and Continue Reading »

Authors: Kapil Oberai and Rohith Rajan Data is a collection of facts, numbers, words, and pictures. Data is everywhere, from social media posts to smart watch steps. Information is what we get when we organize and understand that data. Why are we talking about "big" data now? The reason is that, there's whole lot more of it and its being Continue Reading »

What if we had a digital copy of Earth that could help us test decisions before making them in real life? This is exactly what scientists are building today through Digital Twins of the Earth. A digital twin is a virtual representation of the real world that is continuously updated using satellite, weather station, sensor, and computer data. Unlike a Continue Reading »