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 …

The perfect touchdown on Mars

The U.S. spacecraft that plunged into the atmosphere of Mars and landed in the Red Planet's northern polar region on Sunday night has begun 90 days of digging in the permafrost to look for evidence of the building blocks of life. Less than two hours after finding its feet, the …

Nasa probe closing in on Red Planet, but can it land?

Capa Canaveral (Florida): Nine months ago, Nasa's Phoenix probe blasted off for Mars with an unprecedented mission to sample water on another world. Before that can happen, however, the space agency faces a formidable challenge: landing. The odds are not great. Historically, 55% of all attempts to land on Mars …

Were becoming active choreographers of nature

New York: His new book, Physics of the Impossible, has been on the New York Times Best Seller's list for more than four weeks now. Michio Kaku, co-founder of string field theory and professor of theoretical physics at City University, New York, talks to Narayani Ganesh about the future potential …

A first: Woman to head DRDOs Agni-II project

Women and nuclear-capable ballistic missiles usually don't go together. But, breaking the glass ceiling in a typical male bastion, a woman scientist will now head a key missile project of the country. Tessy Thomas, 45, will now be the project director for the new advanced version of the 2,500-km range …

Comets behind ancient extinctions?

Scientists have come up with a controversial theory which suggests that huge comet impacts wiped out North America's large mammals 13,000 years ago. According to a report in National Geographic News, the hypothesis proposes that an onslaught of extraterrestrial bodies caused the mass extinction known as the

Earth may have had multiple moons

A new model developed by scientists has suggested that the ancient catastrophe that led to the creation of the moon may have produced additional satellites that lingered in Earth's skies for tens of millions of years. According to a report in New Scientist, model suggests moonlets may have once occupied …

Universes missing matter found:

Astronomers have uncovered part of the missing matter in the universe, a discovery which they claim will help in understanding the evolution of the cosmic web in the future. Ten years ago, scientists predicted about half of the missing "ordinary' or normal matter made of atoms exists in the form …

Unravelling the mysteries of the early universe

Peering far: Unlike the Hubble Space Telescope, the JWST can detect faint infrared radiation coming from very distant sources in the universe. The James Webb Telescope, the next step after the Hubble Space Telescope, is a large, infrared-optimized space telescope, scheduled for launch in 2013. It will find the first …

ISRO centre to introduce courses in GU

The North East Space Application Centre (NESAC) of the Indian Space Research Organisation (ISRO) has agreed in principle to introduce joint courses in the areas of Atmospheric Physics and Satellite Communication with Gauhati University (GU). The ISRO centre has also proposed to collaborate with GU for design of sensor relevant …

Bytes

salt on mars: Scientists using a Mars-orbiting camera, designed at Arizona State University's Mars Space Flight Facility, have discovered the first evidence for deposits of salt in numerous places on the planet Mars. These deposits, they say, show where water was once abundant. A team of scientists led by Mikki …

Space war would leave destructive legacy

If war ever breaks out in space it's not the loss of individual satellites that will do the damage, but the debris this produces. It will stay in orbit and go on harming satellites for decades, according to two studies presented at the American Physical Society meeting in St Louis, …

ISRO set for 2015 takeoff (Editorial)

In a significant development, the Indian Space Research Organisation (ISRO) has completed the project report on the proposed Indian manned space mission slated for a takeoff in 2015. According to its chairman G.Madhavan Nair, the report will soon be submitted to the Government for approval. "We are basically targeting a …

Hawking: Unintelligent life likely on other planets

Washington: Famed astrophysicist Stephen Hawking has been thinking a lot about the cosmic question, "Are we alone?' The answer is probably not, he says. If there is life elsewhere in the universe, Hawking asks why haven't we stumbled onto some alien broadcasts in space, maybe something like "alien quiz shows?' …

A cosmic insight from Stephen Hawking

Astrophysicist Stephen Hawking has been thinking a lot about the cosmic question, "Are we alone?' The answer is, probably not, he says. If there is life elsewhere in the universe, Professor Hawking asks why humanity has not stumbled onto some alien broadcasts in space, maybe something like "alien quiz shows?' …

Plants and flowers can grow on moon rocks

Scientists with the European Space Agency have shown that plants and flowers can be grown on the Moon by demonstrating that marigolds can grow in crushed rock very much like the lunar surface, with no need for plant food. According to a report by BBC News, the new research was …

Astronauts in space at risk of premature aging: Study

Astronauts may be at increased risk of premature aging due to exposure to radiation found in space, suggests a study that could have major implications for long-duration space travel. The findings from the Lombardi Comprehensive Cancer Centre at Georgetown University Medical Centre in US shows that astronauts may be at …

German schoolboy, 13, corrects Nasas asteroid collision figures

Berlin: A 13-year-old German schoolboy corrected Nasa's estimates on the chances of an asteroid colliding with Earth, a German newspaper reported on Tuesday, after spotting that the boffins had miscalculated. Nico Marquardt used telescopic findings from the Institute of Astrophysics in Potsdam (AIP) to calculate that there was a 1 …

Indian has new theory on Big Bang

London: A new controversial analysis by an astronomer of Indian origin has suggested that the Big Bang might not have come at the beginning of the Universe, but after a long and slow period of shrinkage. According to a report in Nature News, the theory has been put forward by …

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