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NASA

Potential biosignatures: Why NASA says we may be closest ever to discovering life on MarsSubscriber Only

September 11, 2025 18:33 IST

Biosignatures refer to an object or structure that may have a biological origin – that is, it may have been formed by a living organism.

offshore aquifers

Scientists uncover hidden freshwater under sea floor: What are offshore aquifers and why are they significant?Subscriber Only

September 9, 2025 19:43 IST

Over the years, scientists have confirmed the existence of offshore aquifers at several locations, including off the coasts of Australia, China, North America, and South Africa. However, they have not been really explored primarily due to an exclusive focus on aquifers on land and logistical reasons

Red Sea cable cut: Undersea cables on the vessel Monna Lisa at the Prysmian plant in Pikkala, Finland, May 14, 2025.

Red Sea cable cut interrupts internet in Asia: How data travels to you under the oceanSubscriber Only

September 9, 2025 15:39 IST

Asia internet outage, Red Sea cable cut: What exactly are cables doing in the ocean, and are instances of damage or cuts to undersea cables unusual?

SEMICONDUCTORS

India gets its first indigenous microprocessor: What are semiconductor chips and why are they significant?Subscriber Only

September 9, 2025 08:45 IST

Semiconductor chips are the building blocks of modern computation. From smartphones to the vast datacentres powering the Internet, from electric cars to cruise missiles, from high-end luxury products to weather-predicting supercomputers — all of them run on these tiny chips

The Blood Moon as seen from, Ludhiana, Punjab, around 40 minutes after midnight.

Blood Moon visible in India: What is it and why you should care, in 5 pointsSubscriber Only

September 8, 2025 18:47 IST

Total Lunar Eclipse September 2025 Time: How is a Blood Moon related to the colour of the sky and of sunrises and sunsets? What is a lunar eclipse in the first place? We explain, in 5 points.

Typically, proteins are made of a combination of 20 different kinds of amino acids, and the structure and function of each protein are governed by the arrangement of the various amino acids in it.

How scientists got a glimpse of the inner workings of protein language modelsSubscriber Only

September 8, 2025 13:11 IST

A team of researchers based at the Massachusetts Institute of Technology (the United States) has tried to shed light on the inner workings of the language models that predict the structure and function of proteins by using an innovative technique

Afghanistan

Afghanistan earthquake: 800 dead, why the quake was so deadlySubscriber Only

September 1, 2025 17:58 IST

Afghanistan earthquake news today: Afghanistan is particularly vulnerable to earthquakes. In 2023, the country’s Herat province experienced three major earthquakes, which killed nearly 1,300 people and wounded around 1,700. In 2022, a 5.9-magnitude quake killed at least 1,300 people in the southeast region

blue dragon

What are blue dragons, which have led to beach closures in Spain?Subscriber Only

September 2, 2025 07:33 IST

Their arrival, which has angered locals and ruined vacations during the peak summer tourism in Spain, has surprised everyone, including scientists. Blue dragons are typically found in tropical waters and have been rarely seen in the Mediterranean Sea

Shinkansen

Modi travels on Shinkansen: How iconic bullet train design was inspired by a kingfisher’s beakSubscriber Only

August 30, 2025 15:22 IST

The Shinkansen is the world fastest and most efficient high-speed rail system, boasting average speeds of well over 200 km/h and zero passenger fatalities since its inauguration in 1964

spacex

SpaceX’s Starship completes critical test flight: Everything you need to know about the world’s largest rocketSubscriber Only

August 27, 2025 16:40 IST

This was Starship’s tenth attempt to reach the skies, and its first clean flight since November 2024. Its last three attempts did not go entirely according to plan. While on Flight 7 and Flight 8, Starship’s upper stage exploded over the Caribbean, on Flight 9, it exploded after reaching space. In June, the upper stage blew up during a ground test

deep sea exploration

How India’s ‘aquanauts’ will undertake deep sea exploration under Samudrayaan ProjectSubscriber Only

August 29, 2025 10:54 IST

There are presently only a few countries with deep sea exploration capabilities, including the United States, Russia, China, Japan, and France. India will join this select group of nations with the Samudrayaan Project.

Gaganyaan, Gaganyaan isro, Gaganyaan mission, Gaganyaan human spaceflight mission, gaganyaan test today, gaganyaan parachute test,Indian express news, current affairs

ISRO conducts air drop test for Gaganyaan: why is it crucial to the mission?Subscriber Only

August 27, 2025 09:27 IST

The first crewed mission under the Gaganyaan programme is scheduled for 2027, and the first uncrewed mission is likely toward the end of this year.

brown dwarf

Scientists discover a rare quadruple star system in the Milky Way: Why is this significant?Subscriber Only

August 26, 2025 18:48 IST

The system — known as UPM J1040−3551 AabBab — consists of a pair of cold brown dwarfs orbiting a pair of young red dwarf stars, a configuration never seen before

New World screwworms

US confirms its first human case of flesh-eating New World screwworm: What is this parasite?Subscriber Only

August 26, 2025 17:19 IST

The United States eradicated New World screwworms, a blue-grey blowfly, in the 1960s. These parasites can cause infestations in warm-blooded animals, and, rarely, humans, which can be extremely painful.

Could we soon have space-based solar panels? Not really

Could we soon have space-based solar panels? Not really

August 26, 2025 09:05 IST

A latest study by researchers from King’s College, London has estimated that SBSP could supply up to 80% of Europe’s renewable energy needs by 2050.

GSLV

ISRO is building its heaviest rocket ever: A look at the space agency’s launch vehiclesSubscriber Only

August 23, 2025 18:06 IST

The history of ISRO’s own launch vehicles goes back to 1980, when the space agency successfully launched its first rocket, SLV-3, into space. Since then, ISRO has made much more powerful and efficient rockets such as PSLV and LVM-3.

chocolate

Why premium chocolates taste flavourfulSubscriber Only

August 20, 2025 18:07 IST

Scientists have identified five bacteria and four fungi that play a crucial role in cocoa fermentation, which gives premium chocolate a distinct flavour profile

brain-computer interface

How scientists built a password-protected mind-reading brain implantSubscriber Only

August 16, 2025 17:01 IST

These implants have emerged as promising tools for people with severe physical disabilities. They are also being used to restore speech in people who have limited reliable control over their muscles

For Perplexity, the appeal of Google Chrome is most likely its distribution.

Perplexity’s $34.5B Chrome bid: How AI is fueling the next browser warsSubscriber Only

August 14, 2025 21:40 IST

Perplexity’s move is significant as it is targeted at one of Google’s prized assets even as the US government pushes to break up the big tech company. But why are AI companies eyeing web browsers?

An eye on CO2 from space could soon shut: why this matters

An eye on CO2 from space could soon shut: why this mattersSubscriber Only

August 12, 2025 10:14 IST

OCOs are a series of dedicated Earth remote sensing satellites that were designed specifically to observe atmospheric CO2 from space in order to better understand the characteristics of climate change.

Google monopoly remedy

Google as a ‘monopolist’: What remedies could a US court suggest for curbing its market dominance?Subscriber Only

August 8, 2025 19:00 IST

The impact of the upcoming judgment may be felt across Google’s other markets, including India. Here is what to know.

The move comes as the company declares a “code red” to bolster ChatGPT amid intense competition. (Express: Image/Reuters)

OpenAI’s low-cost, open-weight AI models are here. But are they truly ‘open’?Subscriber Only

August 6, 2025 19:16 IST

The move marks a shift in OpenAI’s strategy which, in recent years, has focused on building proprietary, closed AI models. The rethink was largely prompted by the DeepSeek mania earlier this year.

The procedure, according to the researchers, has proven to show no harm to the rhinos themselves, while making the horn “useless” and “poisonous” to humans.

How a new project plans to curb rhino poaching through radioactive isotope injectionsSubscriber Only

August 3, 2025 19:50 IST

South Africa, home to the world’s largest rhino population, had lost over 10,000 rhinos to poaching over the last decade. Here is how the Rhisotope Project aims to deploy a different method for their conservation.

The Klyuchevskoy volcano, kamchatka, volcano

Why 8.8 magnitude Kamchatka quake is rare but not unusualSubscriber Only

July 31, 2025 06:45 IST

With a magnitude of 8.8, the earthquake in Russia’s far-eastern corner is one of the strongest on record. Its epicentre lies on the Circum-Pacific seismic belt, more popularly known as the ‘Ring of Fire’, which is the most seismically active belt on the planet, accounting for 80% of Earth’s largest earthquakes

chronic traumatic encephalopathy, CTE, brain commotion, sports injuries, Accumulated trauma, Indian express explained, explained news, current affairs

All about CTE, ‘brain commotion’ caused by sports injuries, that New York shooter claimed to haveSubscriber Only

July 31, 2025 06:45 IST

CTE is a degenerative brain disease linked to repeated brain trauma. It can lead to debilitating symptoms such as depression, memory loss, aggression, impared judgment, erratic behaviour, suicidal tendencies, anxiety, and dizziness.

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