Neither ecologically sustainable nor ethical, says study over translocation of African cheetahs to India

A file photo of cheetahs at Kuno National Park (KNP) in Madhya Pradesh’s Sheopur district. | Photo Credit: PTI A new study by the Centre for Wildlife Studies (CWS), which examines the ethical, ecological and welfare challenges associated with the translocation of African cheetahs to India, has expressed concern over the translocation of the animals … Read more

Anomaly found in the Pacific Ocean could be global ‘time marker’

The earth must have experienced something exceptional 10 million years ago. Our study of rock samples from the floor of the Pacific Ocean has found a strange increase in the radioactive isotope beryllium-10 during that time. This finding, now published in Nature Communications, opens new pathways for geologists to date past events gleaned from deep … Read more

Webb telescope observes violence around Milky Way’s central black hole

An artist’s concept shows the supermassive black hole at the center of the Milky Way galaxy, known as Sagittarius A*, surrounded by a swirling accretion disk of hot gas, in this undated illustration obtained by Reuters on February 18, 2025. | Photo Credit: Reuters NASA’s James Webb Space Telescope is providing the best look yet at the chaotic … Read more

Where is ISRO heading – The Hindu

Only three decades ago, the Indian space programme was a diminutive affair, dominated by the newfound successes of the Polar Satellite Launch Vehicle (PSLV) and a then-fledgling clump of communications satellites. Today, the programme is a large tree with a flourishing canopy. There is a slew of ongoing projects accompanied by projects being ideated, developed, … Read more

Zeiss India sets up research lab for AI in eyecare at IISc

Attentive ophthalmologist examines a patient’s eyes using specialized equipment during a comprehensive eye examination | Photo Credit: Getty Images Optics and optoelectronics technology company Zeiss India has collaborated with the Indian Institute of Science (IISc) to start a research lab for AI in eye care at the IISc campus.  The initiative aims to leverage AI … Read more

Scientists make plans to keep spacefarers from contaminating other worlds

In his inauguration speech in January, United States President Donald Trump declared the US would “plant the stars and stripes on the planet Mars”. This shouldn’t come as a surprise. In 2017, in Trump’s previous term of office, he promised to “establish a foundation for an eventual mission to Mars”. And his billionaire adviser Elon … Read more

What is an earthquake swarm?

A bell tower of an Orthodox church in the town of Oia on the earthquake-truck island of Santorini, Greece, is visible as the main town of Fira is lit by the sun in the background, February 4, 2025. | Photo Credit: AP An earthquake swarm occurs when multiple seismic events of comparable intensity strike a … Read more