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Though scientists have studied TLEs for decades, these fleeting events remain notoriously hard to catch.
Updated : Jul 6, 2025

Cosmic fireworks: Astronaut’s vivid photo from ISS unlocks secrets of Earth’s electric skies. Watch here

This extraordinary event is known as a sprite — or “farfadet” in French — one of the rarest forms of Transient Luminous Events (TLEs). Unlike typical lightning bolts that flash within the lower troposphere, sprites erupt much higher, in the mesosphere, at altitudes between 50 km and 80 km.

One of the biggest hurdles is maintaining extreme stability in the instruments used for observation. (Representational photo)
Updated : Jul 5, 2025

Revolutionary design: New NASA alloy paves way for ultra-stable telescopes to find new Earths

Telescopes allow scientists to analyse starlight passing through distant planets’ atmospheres, revealing clues about their chemical makeup and potential habitability. Over the past two decades, this work has fuelled remarkable discoveries.

China’s more direct approach focuses on engineering reliability over scientific flexibility.
Updated : Jul 5, 2025

Challenger for NASA: China plans 2028 Mars mission to return samples by 2031, raising interplanetary stakes 

China’s ambitions have surged since May 2021, when its Tianwen-1 mission made it the second nation after the U.S. to land on Mars. The Zhurong rover explored Utopia Planitia, paving the way for bigger goals.

Despite moderate heat stress (6°C weeks) relative to other reef areas, mortality surpassed previous records at Lizard Island.
Updated : Jul 4, 2025

'Catastrophic!': Survey uncovers 92% coral loss from bleaching at Lizard Island on Great Barrier Reef

The study details the devastating toll of the Fourth Global Coral Bleaching Event. The team assessed the impact of the bleaching event declared by the National Oceanic and Atmospheric Administration (NOAA) in April 2024, which caused widespread damage across the Great Barrier Reef.

Atomic clocks — our gold standard for timekeeping — have tracked these shifts meticulously. The fastest day on record so far was July 5, 2024, when Earth spun 1.66 milliseconds faster than the usual 24 hours. (Representational photo)
Updated : Jul 4, 2025

'Nobody expected this...': Scientists stunned as Earth’s rotation accelerates, posing chaos for GPS satellites and clocks

Back in 2023, scientists were already puzzled by the Earth’s accelerating rotation, while some speculated that global warming and melting polar ice caps might be nudging the planet into a faster spin.

Such a treatment could ease life considerably for people with Type 1 diabetes, freeing them from constant hospital visits and daily injections.
Updated : Jul 3, 2025

Insulin-free diabetes care: 3D-printed islets outperform decades-old transplants, raises hopes

Researchers have bioprinted human islets designed to mimic the body’s own tissue structure, allowing them to integrate seamlessly under the skin. Tests show these lab-made islets stay functional for about three weeks, producing insulin in response to glucose levels without complications.

Russia and the U.S. hold nearly 90% of the world’s nukes—with over 11,000 warheads between them.
Updated : Jun 28, 2025

Earth’s doomsday inventory: Why 12,000 nukes could kill us 40 times over

Radiation won’t be the worst killer. It’s famine. Thick smoke from burning cities could block sunlight, triggering global crop failures unlike anything humanity has ever faced.

Chernobyl has long symbolized the dangers and seemingly eternal consequences of nuclear disasters.
Updated : Jun 27, 2025

Breakthrough in nuclear cleanup: Swiss tech cuts Chernobyl radiation 47% without chemicals, stuns scientists

On April 26, 1986, Reactor No. 4 at the Chernobyl Nuclear Power Plant exploded, blasting radioactive particles like cesium-137 and strontium-90 across Europe. More than 116,000 people were forced to evacuate a 30-kilometer Exclusion Zone, leaving behind a region scientists warned could remain hazardous for up to 24,000 years.

The extracted gold is then bound by a sulfur-rich polymer, also developed by the team, which selectively isolates gold even from highly mixed waste streams.
Updated : Jun 26, 2025

From e-waste to gold: Breakthrough method finds green way to recover precious metal safely and cleanly

The new process marks a significant departure from traditional methods that rely on cyanide and mercury — substances notorious for polluting ecosystems and endangering human health.

A scalable, consistent solution has long remained elusive.
Updated : Jun 26, 2025

Diabetes milestone: In major breakthrough, stem cell infusion restores insulin production in type 1 patients

More than 8 million people globally suffer from type 1 diabetes, a condition where the immune system destroys insulin-producing beta cells. Without these cells, blood glucose control becomes a constant battle, and patients must rely on insulin therapy to prevent serious complications.

Former ISRO chief S Somanath
Updated : Jun 26, 2025

'India is a partner, not a passenger': Ex-ISRO chief Somanath says Shukla's ISS journey will help Gaganyaan

Shubhanshu Shukla on Wednesday became the first Indian astronaut to travel to the ISS, joining three other crew members aboard Axiom Space’s commercial Ax-4 mission.

Before Shukla, the first Indian to go to space was Rakesh Sharma in 1984. 
Updated : Jun 25, 2025

'Tiranga tells me I'm with all of you': Group Captain Shubhanshu Shukla's first words after Axiom-4 launch

Group Captain Shukla, the designated pilot for the Axiom-4 mission, said that India is back in space again after 41 years. 

Axiom-4 mission lifts off: India’s Shubhanshu Shukla begins journey to space station aboard SpaceX Dragon
Updated : Jun 25, 2025

Axiom-4 mission lifts off: India’s Shubhanshu Shukla begins journey to space station aboard SpaceX Dragon

The launch took place from Launch Complex 39A at NASA’s Kennedy Space Center in Florida at 12:01 PM IST, with SpaceX’s Falcon 9 rocket propelling the new Dragon spacecraft into orbit

 The Ax04 crew fully suited up during rehearsal. (Photo: Axiom)
Updated : Jun 25, 2025

Axiom-4 mission launch: India’s Shubhanshu Shukla set for ISS launch today; Check time, where to watch 

SpaceX has confirmed that conditions are 90% favourable for liftoff on Wednesday, June 25, with all systems ready at NASA’s Kennedy Space Centre

The achievement underscores China’s momentum in space innovation. (Representational image)
Updated : Jun 23, 2025

Massive leap for space technology: Chinese researchers smash data limits leaving Elon Musk's Starlink in the dust

This isn’t just about speed. The implications stretch across industries. From seamless HD streaming to improved satellite navigation and real-time communication for space missions, the technology has the potential to upend how data moves globally.

Overall, the findings are clear: relying on LLMs like ChatGPT may weaken critical thinking and memory recall.
Updated : Jun 20, 2025

Using ChatGPT too much? Beware! MIT study shows AI-assisted work weakens critical thinking and memory

In a study that wired volunteers to EEG monitors as they wrote essays, the researchers found that using large language models (LLMs) like ChatGPT may do more than just help or hinder productivity — it might actually dull the brain’s cognitive muscle over time.

The crew is set to conduct nearly 60 experiments over a 14-day stay on the ISS, in collaboration with 31 countries.
Updated : Jun 20, 2025

₹548 crore at stake as NASA delays Axiom 4, Shubhanshu Shukla waits on Earth

This marks the seventh postponement of the highly anticipated private spaceflight, which was originally scheduled for Sunday, June 22. A new launch date has yet to be announced.

Nuclear fusion has long eluded researchers trying to mimic the energy of stars on Earth.
Updated : Jun 19, 2025

‘In just 30 days...’: UK-based startup’s daring quest to fuse stars and shrink the solar system

If successful, the Sunbird could exceed even the Parker Solar Probe — the current speed record holder — by reaching up to 805,000 km/h. That would mean Mars in 30 days, and Pluto in just four years.

Beyond cancer, the BENEIN framework proved effective in other systems. (Representative image)
Updated : Jun 15, 2025

Massive medical breakthrough: South Korean team reprograms cancer cells into healthy ones without chemo or radiation

Traditional cancer therapies aim to destroy tumor cells, often damaging nearby healthy tissue and triggering harsh side effects. Publishing their results in Advanced Science, the researchers outlined a method to steer cancer cells away from uncontrolled growth and back toward a differentiated, stable identity.

Even today, COVID-19 remains a concern, though at significantly reduced levels.
Updated : Jun 9, 2025

'Small step away...': New bat virus similar to Covid emerges in China, raising fresh pandemic fears

The discovery of HKU5-CoV-2 comes amid heightened global vigilance over emerging infectious diseases, a caution rooted in the collective trauma of the COVID-19 pandemic that claimed millions of lives. Since then, several viruses have triggered momentary alarm.

Fusion differs fundamentally from fission, the process used in current nuclear power plants.
Updated : Jun 8, 2025

Nuclear fusion milestone: Germany's Wendelstein 7-X fusion reactor achieves 43-second plasma run, sets new triple product record

Developing nuclear fusion for practical energy use has long challenged researchers. Achieving the extreme conditions required — temperatures above 100 million degrees Celsius — and sustaining them without consuming more energy than produced has remained elusive.

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