How we captured first image of the supermassive black hole at centre of the Milky Way
The team observed Sagittarius A* on multiple nights, collecting data for many hours in a row
Artemis: How ever changing US space policy may push back the next Moon landing
A delay of any more than a year would move Artemis 3 beyond the end of President Biden’s first term in office
Stubble burning down in Punjab, Haryana, UP since 2016: NASA maps
Data from the agency shows that all three states have made progress in reducing stubble burning between 2016 and 2019
A quarter of Bangladesh under water, NASA photos reveal
The flooding this year could be the worst in a decade and the longest-lasting since 1988
Hubble spots possible water plumes on Jupiter's moon Europa
The observation increases the possibility that missions to Europa may be able to sample Europa’s ocean without having to drill through …
NASA’s Hubble detects ‘sunscreen’ layer on remote planet
The discovery is important as a stratosphere provides clues about how a planet is formed and its composition
NASA planning trip to Jupiter’s moon to search for alien life
A blast of water vapour from Jupiter’s moon Europa in 2012 indicated it may have life
Celestial explorers
Book>> Voyager, seeking newer worlds in the third great age of discovery • by Stephen J Pyne • Viking • Rs 1,000
NASA images capture wet and dry cycles in Namibia’s Etosha Pan
The salt pan in Namibia receives most of the rainfall — as much as 46 cm — every year between October and March
Planet greening negated global warming, show NASA maps
Since 2000, at least 30% of areas with more leaf coverage were cooled by it, the research noted
US scraps CO2 monitoring programme that doesn’t cost more than a battle tank
NASA's Carbon Monitoring System provides data on greenhouse gas emissions and carbon stocks to help countries evaluate their progress towards …
India should focus on protecting its existing mangroves
An alarming 50 per cent of the world’s mangrove forests have disappeared in the last five decades due to coastal developments
Water vapour discovered on potentially ‘habitable’ planet
Using Hubble Space Telescope, scientists also detected the presence of hydrogen and helium in K2-18b's atmosphere
50th anniversary of Apollo 11: Look at these panoramas from the Moon missions
It’s the 50th anniversary of Apollo 11 mission, when humans stepped on the surface of the moon for the first time. The National Aeronautics …
‘Humans are closer to setting up base on Moon’
Pushkar Ganesh Vaidya, an astrobiologist, talks about the future of China’s experiment that resulted in a seed sprouting on the lunar surface
2016 experiences record-breaking heat for nine consecutive months
12 consecutive months from October 2015 to September 2016 have set new monthly high-temperature records
Pluto's moons wobble chaotically
Shifting gravitational field of Pluto-Charon double planet system behind the phenomenon, say scientists
Video: How winds transport over 27 million tonnes of dust from Sahara to Amazon
NASA study says 22,000 tonnes of this dust is phosphorus which acts like a fertiliser for the rainforests
NASA rover ‘Perseverance’ captures eclipse involving Mars’ satellite ‘Phobos’
These observations can help scientists better understand Phobos’ orbit and how its gravity pulls on the Martian surface, ultimately shaping …
‘It will open up a new area of Mars exploration’
As NASA's Ingenuity touched down on Mars, Down To Earth spoke to Ingenuity’s chief engineer J (Bob) Balaram on the significance of the …
Arctic winter sea ice in 2021 joint seventh-lowest on record, finds NASA
The sea ice maximum in 2021 is not close to a record, but still quite low compared to any year prior to 2000, according to lead author of …
One in three large American rivers has changed colour in the last 34 years: Study
Most rivers in the United States appear green or yellow possibly due to human activities
Life on Jupiter’s moon Europa? Discovery of table salt on the surface boosts hopes
Scientists believe that hydrothermal circulation within its ocean, possibly driven by hydrothermal vents might naturally enrich the ocean in …
How dust storms are adding to pollution woes of north India
Such storms lead to increase in surface ozone, particulate matter as well as harmful greenhouse gases
Scientists recreate building blocks of life
NASA researchers recreate amino acids in lab as it may have formed billions of years ago