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  Interstellar comet 3I/Atlas to make closest approach to Earth this week

  December 16, 2025 7:28 IST

  Officially designated 3I/Atlas after its discovery this summer, the comet will make its closest approach to Earth this Friday, passing within 167 million miles (269 million kilometers).

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  Uranus and Neptune may be rockier than thought, new study challenges ‘Ice Giant’ theory

  December 14, 2025 18:35 IST

  A new study suggests that Uranus and Neptune may not be ice-rich planets after all. Researchers from the University of Zurich propose that these distant worlds could be dominated by rock, challenging decades-old assumptions about their internal composition and offering fresh insights into planets.

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  Spectacular Geminid meteor shower to light up Indian sky on Dec 14-15: When and where to watch

  December 13, 2025 12:54 IST

  With an impressive volume and frequent display of 'shooting stars,' the Geminid meteor shower provides arguably the best viewing experience of the entire year.

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  NASA loses contact with veteran Maven spacecraft orbiting Mars for past decade

  December 12, 2025 13:05 IST

  The spacecraft was operating normally just before it went behind Mars, NASA confirmed this week; tragically, only silence greeted ground stations when it reappeared.

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  Entire Earth feels like your home: Group Captain Shukla reflects on psychological shift

  December 11, 2025 7:16 IST

  Group Captain Shubhanshu Shukla’s hands-on experience in space was vastly different from his training. He elaborated that traveling to space fundamentally changes one's perspective.

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  Two new jumping spider species discovered in Meghalaya

  December 11, 2025 6:54 IST

  Renowned for their quick reflexes, jumping spiders exhibit a unique predatory strategy, actively stalking and pouncing on prey rather than relying on spun webs for capture.

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  Strongest Solar Flare of 2025 hits Earth: Radiation spikes to 10x normal at flight altitudes

  December 08, 2025 13:30 IST

  The Sun unleashed its most powerful solar flare of 2025 on November 11, sending a burst of high-energy radiation speeding toward Earth. The X5.1-class flare triggered a rare ground-level enhancement (GLE), causing radiation levels at 40,000 feet to rise up to 10 times the normal background.

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  NASA study reveals shocking new threat ruining Hubble and future telescope images

  December 04, 2025 14:35 IST

  While space telescopes are presumed safe from interference, a NASA-led study recently confirmed a major problem that is now ruining their images.

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  Cold Supermoon tonight: When and how to see 2025's final Supermoon event

  December 04, 2025 13:33 IST

  The last Supermoon of 2025 will occur during December 4–5. Skygazers can step out during moonrise tonight to see the second-largest full moon of the year.

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  Mecca’s Kaaba stunning orbital photo shared by NASA astronaut Don Pettit

  December 04, 2025 10:27 IST

  Renowned NASA astronaut Don Pettit, known for his artistic space photography, took the picture of Mecca's Kaaba while on his fourth ISS mission.

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  Scientists solve 60-year mystery behind Venus’s super-fast winds

  November 29, 2025 14:02 IST

  A new study finally uncovers what powers Venus’s super-fast winds. Scientists found that a daily thermal tide—created by the Sun’s heating—pushes momentum toward the cloud tops, driving the planet’s famous atmospheric superrotation. The findings come from two decades of spacecraft data.

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  Scientists may have detected Dark Matter for the first time using NASA’s Fermi Telescope

  November 27, 2025 16:35 IST

  A team of Japanese astronomers may have detected the first-ever direct signature of dark matter using NASA’s Fermi gamma-ray space telescope. The team found a unique 20 GeV gamma-ray glow near the Milky Way’s centre, matching predictions of dark matter particle annihilation.

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  ISRO scientists capture rare interstellar Comet 3I/ATLAS from Mount Abu

  November 19, 2025 17:03 IST

  ISRO-affiliated scientists at the Physical Research Laboratory (PRL) have captured detailed images and spectral data of the interstellar comet 3I/ATLAS using the 1.2-meter Mount Abu telescope.

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  ISRO prepares for busiest phase, targets Moon missions and space station

  November 16, 2025 11:43 IST

  The launch schedule encompasses a commercial satellite for communications, alongside several missions employing both the Polar Satellite Launch Vehicle (PSLV) and Geosynchronous Satellite Launch Vehicle (GSLV).

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  Blue Origin launches New Glenn carrying twin NASA spacecraft to Mars

  November 14, 2025 7:44 IST

  The 321-foot (98-meter) New Glenn launched successfully from Cape Canaveral Space Force Station, dispatching NASA's twin Mars orbiters on their lengthy journey to the Red Planet, despite a four-day delay caused by poor local weather and solar storms that created auroras visible down to Florida.

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  ISRO successfully tests main parachutes for Gaganyaan crew module

  November 11, 2025 19:50 IST

  According to ISRO, the test belongs to the Integrated Main Parachute Airdrop Tests (IMAT)—a series vital for qualifying the parachute system for the Gaganyaan mission.

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  Blue Origin postponed the launch of NASA’s ESCAPADE Mars mission due to bad weather

  November 11, 2025 11:01 IST

  Blue Origin postponed the launch of NASA’s ESCAPADE Mars mission after bad weather hit the New Glenn launch pad in Florida. Heavy clouds forced the company to cancel the liftoff just a day before a new FAA daytime launch ban during a US federal shutdown.

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  Astronomers track mysterious interstellar object 3I/ATLAS after sudden speed boost and colour change

  November 10, 2025 17:21 IST

  NASA and the European Space Agency (ESA) will continue to track 3I/ATLAS as it moves toward Jupiter by March 2026. Scientists hope that upcoming observations will help determine whether its strange behaviour is natural or something more mysterious.

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  IIT Guwahati researchers develop novel material for oil spill cleanup and detect fuel adulteration

  November 10, 2025 17:17 IST

  The findings of the research, which also show the material's potential to selectively absorb and solidify oil from water, have been published by IIT Guwahati researchers in the prestigious journal, Chemical Engineering.

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  Mini-Neptunes likely have hard surfaces, not magma oceans: James Webb telescope reveals

  November 08, 2025 14:41 IST

  A new study using data from NASA’s James Webb Space Telescope (JWST) has overturned long-held beliefs about mini-Neptune exoplanets. Earlier, scientists assumed these planets—smaller than Neptune but wrapped in thick hydrogen-helium atmospheres—were covered in global magma oceans.

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  Why did CV Raman refuse to leave India for Western labs and how does the Raman Effect still matter?

  November 07, 2025 8:08 IST

  CV Raman birth anniversary: Raman received several chances, particularly after receiving the Nobel Prize in Physics, to work in Western labs, but he had always rejected them.

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  ISRO confirms Mangalyaan-2 Mission: India to attempt first Mars landing in 2030

  November 06, 2025 11:47 IST

  ISRO has officially confirmed that Mangalyaan-2, India’s next Mars mission, will launch in 2030. Unlike the first Mangalyaan, this ambitious mission will include an orbiter, lander, and possibly a rover, marking India’s first attempt to land on Mars.

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  Beaver Supermoon: The biggest and brightest full Moon of the year | See pics

  November 06, 2025 0:06 IST

  While today's Moon is the brightest since 2019, an event of comparable brilliance isn't expected again until December 2026.

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  China achieves culinary feat in space: Astronauts cook full meal on Tiangong | Watch video

  November 05, 2025 17:04 IST

  Using the specialised oven, Chinese astronauts on Tiangong space station baked marinated chicken wings for 28 minutes and then used it to cook steak.

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  ISRO-NASA's NISAR satellite to be declared operational on November 7, says ISRO chief

  November 05, 2025 15:43 IST

  Considered the most expensive Earth observation satellite ever built, the 2,400 kg NISAR was launched on July 30 using ISRO’s GSLV rocket from the Satish Dhawan Space Centre.

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  ISRO LVM3-M5 successfully deploys the heaviest CMS-03 satellite to orbit

  November 03, 2025 0:37 IST

  ISRO has successfully launched the heaviest indigenously built communication satellite, CMS-03, onboard the powerful LVM3-M5 rocket from Sriharikota. The mission lasted for about 16 minutes, and the 4,410-kg satellite was safely placed into Geosynchronous Transfer Orbit, achieving a major milestone

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  ISRO LVM3-M5 Mission successful placed CMS-03 communiation satellite in orbit: Highlights

  November 02, 2025 19:30 IST

  ISRO LVM3-M5 CMS-03 satellite successfully placed in orbit: Space organisation's multi-band satellite will help in boosting communication services across India and surrounding ocean regions – and it is said to be the heaviest satellite which will lift off from India itself.

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  ISRO to launch its heaviest communication satellite CMS-03 on LVM3 ‘Bahubali’ rocket at 5:26 PM IST

  November 02, 2025 16:29 IST

  ISRO is preparing to launch CMS-03, India’s heaviest communication satellite on LVM3-M5 rocket from Sriharikota. Scheduled for a 5:26 pm liftoff, the mission will place the satellite into Geosynchronous Transfer Orbit to boost India's communication capabilities.