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  Coronavirus jumped from bats to humans with 'very little change', say scientists

  March 14, 2021 16:43 IST

  The progenitor of the novel coronavirus underwent "very little change" to adapt to humans from bats, according to a new study which suggests that the ability of the virus to spread from one person to another likely evolved in the flying mammal prior to it jumping to its new human host. 

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  NASA astronauts conduct fifth spacewalk of 2021

  March 14, 2021 7:33 IST

  US astronauts Victor Glover and Mike Hopkins have now returned to the International Space Station (ISS) after completing a spacewalk for technical and maintenance tasks, NASA said.

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  Scientists discover possible new coronavirus mutation in Brazil

  March 14, 2021 6:58 IST

  A possible new variant of the novel coronavirus, SARS-CoV-2, has been detected in several regions of Brazil, the Ministry of Science and Technology's National Laboratory for Scientific Computing (LNCC) said.

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  Vaccine-induced antibodies may be less effective against new Covid variants

  March 13, 2021 16:42 IST

  The team used their experience measuring HIV neutralizing antibodies to create similar assays for Covid-19, comparing how well the antibodies worked against the original strain versus the new variants.

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  Indian space firm invites industry to make rockets

  March 13, 2021 12:37 IST

  State-run NewSpace India Ltd (NSIL) has issued a request for proposals (RFP) to make polar satellite launch vehicle (PSLV) rockets by Indian industry for carrying communication or observation satellites into the earth's lower orbits.

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  ISRO launches sounding rocket RH-560

  March 13, 2021 10:39 IST

  Indian Space Research Organisation (ISRO) launched the sounding rocket (RH-560) to study attitudinal variations in the neutral winds and plasma dynamics carried out on Friday at Satish Dhawan Space Centre (SDSC), Sriharikota Range (SHAR).

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  Pfizer vaccine 97% effective in symptomatic Covid cases: Study

  March 12, 2021 15:43 IST

  Pfizer-BioNtech's Covid-19 vaccine offers at least 97 per cent effectiveness in symptomatic Covid-19 cases, according to real world data published by the pharma company.

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  Cancer patients less protected after first COVID vaccine jab, UK study finds

  March 11, 2021 19:56 IST

  Cancer patients may not be protected to the same degree as the rest of the population after they receive their first of two doses of a COVID-19 vaccine, a new UK study has found on Thursday.

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  Large-scale tree plantation can prevent forest fires

  March 09, 2021 16:17 IST

  There is an urgent need to address the climate crisis being exacerbated by human disregard for ecologically sensitive regions.

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  NASA names Mars rover touchdown site after Octavia Butler

  March 08, 2021 13:17 IST

  The Mars 2020 Perseverance mission is part of NASA's Moon to Mars exploration approach, which includes Artemis missions to the Moon that will help prepare for human exploration of the Red Planet.

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  India to launch earth observation satellite on March 28, will provide real-time images of borders

  March 07, 2021 17:21 IST

  India plans to launch on March 28 an earth observation satellite that will provide it near real-time images of its borders and also enable quick monitoring of natural disasters.

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  Comets brought carbon to Earth, Mars: Study

  March 06, 2021 15:50 IST

  Comets could have been an essential source of carbon on planets like Earth and Mars during the early formation of the solar system, says a new study.

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  Antibody 'cocktail' found to block UK, Brazil Covid variants

  March 06, 2021 15:36 IST

  Monoclonal antibodies are laboratory-produced molecules engineered to serve as substitute antibodies, according to the Mayo Clinic.

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  NASA’s new Mars rover hits dusty red road, 1st trip 21 feet

  March 06, 2021 8:53 IST

  In its first drive, Perseverance went forward 13 feet (4 meters), took a 150-degree left turn, then backed up 8 feet (2.5 meters). During a news conference Friday, NASA’s Jet Propulsion Laboratory in Pasadena, California, shared photos of its tracks over and around small rocks.

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  NASA awards key contract for Mars sample return

  March 05, 2021 15:42 IST

  Taking a step closer to realising its ambitious sample return programme after the touchdown of the Mars Perseverance rover, NASA has awarded a key contract to Northrop Grumman Systems of Elkton, Maryland.

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  SpaceX Starship explosion: What exactly happened? Video shows exact moment

  March 04, 2021 16:36 IST

  Minutes after SpaceX declared success on Thursday, its futuristic Starship exploded on the landing pad. Two previous test flights crash-landed in fireballs.

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  SpaceX rocket explodes after landing in test flight

  March 04, 2021 8:27 IST

  After the flight, flames were seen to come out from the bottom of the Starship rocket Serial Number 10, or SN10, and it exploded minutes after landing.

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  Animals fake death for long periods to escape predators: Study

  March 03, 2021 10:46 IST

  The study involved evaluating the benefits of death-feigning in terms of a predator visiting small populations of conspicuous prey. Researchers used computer simulations that utilise the marginal value theorem, a classical model in optimization.

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  NASA astronauts complete 7 hour-long spacewalk

  March 01, 2021 16:36 IST

  The two NASA astronauts began work on Monday to install modification kits required for the upcoming solar array upgrades, the US space agency said in a blog post.

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  One jab of either Pfizer or Oxford-AstraZeneca offers 90% protection

  March 01, 2021 15:19 IST

  Just one vaccine shot reduces the risk of being hospitalised by Covid-19 by more than 90 per cent, according to new findings, Daily Mail reported.

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  Launch of Falcon 9 carrier rocket with Starlink satellites delayed: SpaceX

  March 01, 2021 10:51 IST

  The Falcon 9 rocket was supposed to lift off from the Cape Canaveral (Kennedy) Air Force Station in Florida at 01:37 GMT on Monday.

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  ISRO launches DRDO's satellite Sindhu Netra

  February 28, 2021 20:07 IST

  The Indian Space Research Organisation on Sunday launched 'Sindhu Netra', a satellite developed by the DRDO to monitor the activities of military and merchant navy ships in the Indian Ocean Region.

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  Spacewalking astronauts prep station for new solar wings

  February 28, 2021 18:44 IST

  Spacewalking astronauts ventured out Sunday to install support frames for new, high-efficiency solar panels arriving at the International Space Station later this year.

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  School students in India discover 18 new asteroids

  February 28, 2021 16:35 IST

  The International Asteroid Discovery Project was conducted by STEM and Space, an organisation working towards the learning of astronomy and space science in India, along with the International Astronomical Search Collaboration (IASC) as part of a NASA citizen science project.

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  Why some Covid strains are more infectious than others

  February 28, 2021 16:14 IST

  The coronaviruses that cause SARS and Covid-19 have spike proteins that move into 'active' and 'inactive' positions, and the study indicates how those molecular movements may make the Covid-19 virus more infectious compared to the SARS virus, according to researchers, including one of Indian-origin named Vivek Govind Kumar.

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  National Science Day 2021: Know history, significance, theme

  February 28, 2021 10:31 IST

  National Science Day is celebrated in India every year on February 28. The celebration includes public speeches, radio, TV, science movies, science exhibitions based on themes and concepts, debates, quiz competitions, lectures, science model exhibitions and many more activities.

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  Blood tests offer early indicator of severe Covid: Study

  February 27, 2021 15:28 IST

   The findings, published in the journal Blood Advances, indicated that five proteins (resistin, lipocalin-2, HGF, IL-8, and G-CSF) that are associated with neutrophils, a type of white blood cell, were elevated in the Covid-19 patients who later became critically ill.

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  ISRO lining up launch of India's geo imaging satellite GISAT-1

  February 26, 2021 17:21 IST

  The launch of GISAT-1 onboard GSLV-F10 rocket was originally planned for March five last year, but was postponed a day before the blast-off due to technical reasons.