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India’s satellite launch cost 4 times higher than US, Cambridge study finds; Space Dept disputes findingsA new study reveals that satellite launch costs in India are the highest among key markets. Government sources challenge this perception, h...
In 1975, Soviet Union sent a cannon to space and tested it from Salyut 3 station, just six months before US and Soviet astronauts met in orbit for the Apollo-Soyuz mission during the Cold WarIn January 1975, the Soviet Union fired a 23mm cannon from its Salyut 3 military space station as a test of its orbital defence system. The...
At 7, Jammy-born boy entered Guinness records as world’s youngest male webmaster. Now 20, he’s raised $4.3 million to fix a major space communication problemJammu-born Onkar Singh Batra is building a space communication network. His startup Apolink aims to keep satellites connected beyond ground...
In 1966, Michael Collins lost a camera and a micrometeorite experiment during a Gemini X spacewalk; both drifted away into orbitDuring the Gemini X mission in 1966, astronaut Michael Collins faced setbacks when he lost both his camera and a scientific experiment duri...
In 1986, Voyager 2 discovered 10 moons around Uranus. 39 years later, Webb found a 29th moon only 10 kilometre wide that the spacecraft had missedIn 1986, Voyager 2 discovered 10 moons around Uranus during its flyby. Thirty-nine years later, James Webb Space Telescope observations ide...
In 2019, fewer than 2,000 active satellites circled Earth as SpaceX began scaling Starlink. Seven years later, 15,711 were orbiting the planet, with Starlink accounting for 65.97% of the working satellitesSince 2019, the number of active satellites around Earth has surged nearly eightfold, with SpaceX's Starlink making up about two-thirds of ...
In the 1960s, 2025 PN7 began travelling in step with Earth. 60 years later, American astronomers discovered it and found older images hiding the asteroid in plain sight2025 PN7 was hiding in plain sight for decades. The tiny asteroid has been traveling around the Sun in step with Earth since roughly the 19...
Earlier in 2026, a University of Sydney PhD student traced a 1.34497-hour radio pulse to a dead star. Today, its 1.368-hour orbit explains why the bursts repeatEarlier in 2026, a University of Sydney PhD student traced a 1.34497-hour radio pulse to a dead star. Today, its 1.368-hour orbit explains ...
In 1972, Apollo 16 astronaut Charles Duke left a photo of his wife and two sons on the Moon with a touching message from ‘Planet Earth’ that has remained there for more than 50 yearsIn 1972, Apollo 16 astronaut Charles Duke left a framed photo of his wife and two sons on the Moon, along with a touching message identifyi...
NASA warns of more coastal flooding in the 2030s: How the Moon’s 18.6-year cycle could bring floods on clear, calm daysAs we approach the 2030s, coastal regions are projected to experience a surge in high-tide flooding, exacerbated by a natural lunar cycle. ...
NASA is paying Rs 5 crore prize to solve a hidden space problem that requires no rocket scienceNASA has launched the Orbital Clarity Challenge, offering up to $500,000 to inventors who can develop affordable tools to measure the thin ...
India's space ambitions face over 4x higher rocket launch costs than US, study showsIndia faces a substantial cost gap with the United States for launching payloads. A recent study estimates India's cost at over $13,000 per...
NASA abandons attempt to rescue aging space telescope from atmospheric re-entryNASA and Katalyst Space Technologies have ended their mission to save the Swift Observatory. Persistent attitude-control failures on the Li...
Earlier this year, a California startup received approval to launch a 59-foot mirror into orbit. Two years later, the demonstration could redirect sunlight onto chosen points on Earth, allowing crews to keep working after darkA California startup just got FCC approval to test a 59-foot mirror satellite in orbit. The spacecraft, named Eärendil-1, will catch sunlig...
Scientists found a ‘Mega-Earth’ 2.5 times the size of Earth with a core 23 times its mass; but it didn’t develop the massive atmosphere expected of a planet this large, and researchers are trying to find out whyThe discovery of GJ 523b, an exoplanet more than twice the size of Earth, has shaken scientists' understanding of rocky planet formation. T...
China's LandSpace lands rocket booster; joins SpaceX and Blue Origin with reusable techThe ability to return, recover and reuse a booster is crucial to reduce cost and make it easier to put satellites into orbit, turning space...
ET Startup Awards 2026: Nominees for Best on CampusThe Best on Campus award will showcase a startup whose impact can be judged both by the idea and the execution. The founders should have be...
Why satellites appear wrapped in gold foil: The material actually contains aluminium that protects instruments from extreme heat and coldThe shiny gold exterior seen on spacecraft is not just for aesthetics; it is multi-layer insulation designed to tackle the extreme temperat...
First industry-built PSLV launch slips to March 2027The launch has seen multiple schedule changes since NewSpace India Ltd, the commercial arm of the Indian Space Research Organisation (ISRO)...
Redcliffe Labs, Skyroot Aerospace to test diagnostic reagents in orbitReagents are chemicals used in diagnostic tests to detect specific biological markers in a sample. The founders said the longer-term object...