Physical Science

Order of the National Green Tribunal regarding deterioration of Nayar river, Uttarakhand, 05/06/2025

Order of the National Green Tribunal in the matter of In Re: News Item titled "Nayar river is vanishing - a yatra reveals conservation goes beyond science and policy" appearing in ‘The Down To Earth’ dated 03.06.2025. The original application was registered suo-motu based on the news item titled "Nayar …

Why Sun won’t forget Calcutta - City physicist rates memory

New Delhi, June 11: A physicist in Calcutta and a graduate student in Bangalore who jointly simulated the solar interior on computers have discovered that the Sun has a short memory — only about five years. Solar physicist Dibyendu Nandi and PhD student Bidya Binay Karak have shown that the …

Nasa to put man on asteroid by 2020s

Astronauts Being Trained For Mission To Look For Minerals, Get Info On How To Destroy It. Washington: Nasa is reportedly training a team of astronauts for a mission to land on an asteroid by the end of the next decade. The US space agency is training the astronauts to land …

Polar ‘bottom water’ vanishing

The coldest deep ocean water that flows around Antarctica in the Southern Ocean has been strangely disappearing at a high rate for the past few decades, a new study has revealed. This mass of water is called Antarctic Bottom Water, which is formed in a few distinct locations around Antarctica, …

Nomad planets’ wandering in Milky Way

These Cosmic Bodies Don’t Orbit Any Star, Belong To A Whole New Class Of Alien World Washington: Thousands of rogue alien planets may be rambling through space in our Milky Way galaxy, instead of being locked in orbit around a star, says a new study. According to researchers at the …

Animals’ secret lingo: Light that we can’t see

London: Scientists claim to have identified a “secret language” used in the animal kingdom. An international team has found how animals use polarization, a type of light that humans cannot see, as an important tool for communication, the Current Biology journal reported. In their research, the scientists focussed on a …

‘World's highest resolution' lunar images released

China recently released a set of “world's highest resolution” lunar images taken by its second moon orbiter, Chang'e-2, as it braces to launch its next mission to land a rover to explore its surface. China's State Administration of Science, Technology and Industry for National Defence (SASTIND) recently published a set …

New subatomic particle detected

Chi-b(3), A Boson Like the ‘God Particle’, Sighted By Large Hadron Collider Paris: The Large Hadron Collider (LHC), famously engaged in the quest for the Higgs boson, has turned up a heavier variant of a sub-atomic particle first discovered a quarter-century ago, scientists reported on Thursday. The newcomer is called …

CERN study closer to confirming that particle travels faster than light

The chances have risen that Einstein was wrong about a fundamental law of the universe. Scientists at the world’s biggest physics lab said Friday they have ruled out one possible error that could have distorted their startling measurements that appeared to show particles traveling faster than light. Many physicists reacted …

Scientists Report Second Sighting of Faster-Than-Light Neutrinos

Few scientists are betting against Einstein yet, but the phantom neutrinos of Opera are still eluding explanation. Two months after scientists reported that they had clocked subatomic particles known as neutrinos going faster than the speed of light, to the astonishment and vocal disbelief of most of the world’s physicists, …

Working For A Nobel Cause

An award-winning pioneering physicist is setting up a local research centre with the aim of producing the next Nobel laureate from India. Will he succeed? The scientific community is not excited and the debate extends to the quality of research at India’s science institutions, including the IITs. Ahona Ghosh researches …

Nobel citation to Jamia scientist for paper on dark matter

For his paper on ‘dynamics of dark matter’, Jamia Millia Islamia scientist Mohammad Sami will share a citation given by the Nobel Prize committee for the year 2011. Sami co-authored the paper with Edmund J Copeland and Shinji Tsujikawa and did the research work on the paper while he was …

China launches Shenzhou-8 for maiden docking mission

China today successfully launched an unmanned spacecraft for its maiden docking mission, paving the way for its first space station by 2020 to rival Mir, the space lab being run by Russian and US astronauts. The launch of unmanned spacecraft Shenzhou-8 in the early hours today from Jiuquan Satellite Launch …

Mars rover finds water

Evidence of liquid water on Mars was also found in 2006. How is the latest finding different? There are a lot of gullies on the crater walls of Mars. Occasionally we see (by comparing images taken at different times) that some material has flowed down these gullies. The paper in …

Expanding universe’ earns US-born trio physics Nobel

Stockholm: Three US-born scientists won the Nobel Prize in physics today for their studies of exploding stars that revealed that the expansion of the universe is accelerating. The Royal Swedish Academy of Sciences said American Saul Perlmutter would share the 10 million kronor ($1.5 million) award with US-Australian Brian Schmidt …

At Jantar Mantar today, students to attempt 2,300-yr-old experiment

About 2,300 years ago, Greek astronomer Eratosthenes had tried measuring the circumference of the Earth using shadows thrown by the sun. On Friday, at least 200 school students from nine schools in the Capital will replicate his experiment at the Jantar Mantar heritage monument on the occasion of the autumnal …

36 light yrs away, hope for an Earth-like planet

Planet At Right Distance From Its Star For Water To Exist European astronomers said on Monday that they had found what might be the best candidate for a Goldilocks planet yet: a lump of something about 3.6 times as massive as the Earth, circling its star at the right distance …

Spacecraft tracks trash on moon left by astronauts

Washington: A spacecraft circling the moon has snapped the sharpest photos ever of the tracks and trash left behind by Apollo astronauts in their visits from 1969 to 1972. Images taken by Nasa’s Lunar Reconnaissance Orbiter from 13 to 15 miles up show the astronauts’ paths when they walked on …

Twin moon probes to measure gravity

Capa Canaveral: Four decades after landing men on the moon, Nasa is returning to Earth’s orbiting companion, this time with a set of robotic twins that will measure lunar gravity while chasing one another in circles. By creating the most precise lunar gravity map ever, scientists hope to figure out …

Indian students discover 5 asteroids

New Delhi: Five asteroids, including a rare Trojan asteroid, have been discovered by ten Indian students during an international astronomy project. Of the ten students, two are from Delhi, who discovered a main belt asteroid (2011 QM14) in August as part of the All India Asteroid Search Campaign (AIASC). Vaibhav …

Delhi students discover new asteroid

Two Delhi students have made history by discovering an asteroid as part of a unique astronomy project connected to US space agency NASA. The duo will also get an opportunity to name the asteroid. Vaibhav Sapra and Sharanjeet Singh, class XII students of Bal Bharati Public School in Pitampura, discovered …

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