New theory of general relativity casts doubt on dark matter

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Astronomers have been searching for a mysterious substance called “dark matter” since the 1930s. Most scientists still believe it exists, despite many fruitless decades. Now we propose a new theory of general relativity that may ultimately get rid of the need for dark matter, and perhaps get physicists to think in terms of things we […]

84% students show self-management skills, but parents still see academics first: What a school study reveals

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Hyderabad school study reveals gap between parent perception and student learning A recent social experiment conducted at Glendale International School has thrown up an interesting disconnect in how learning is perceived inside classrooms versus at home. While schools increasingly talk about “holistic development,” the data suggests that students may already be experiencing that shift more […]

Albert and Adam rewrite the story of human origins

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By >Daniel Zadik , Leicester University  The DNA of Albert Perry may change the story of human origins. Perry, an African-American, approached a DNA testing company to find out more about his ancestry. >The results would have come as quite a surprise (had he lived to see them), and have raised questions >for geneticists around […]

Fake memory implanted in mice with a beam of light

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If you’ve ever been frustrated by erratic memories, spare a thought for the mice involved in a study published in the journal >Science . Researchers have been able to consistently create a “false memory”, making a mouse fearful of a place it has no reason to fear. The memory was implanted by shining blue light […]

Language learning begins in the womb

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By >Josephine Lethbridge , The Conversation  Human foetuses begin to hear sounds outside the womb at about 27 weeks. But whether foetuses can learn from these sounds in ways that shape speech perception and development during infancy has remained unclear. >New research from the University of Helsinki suggests that humans begin to distinguish between sounds […]

Guppies lie about mate choice to trick rivals

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By >Anne-Marie Hodge, University of Wyoming  When it comes to sex among guppies, competition is high for those at the top of the game. To get around this predicament, >a recent study has shown, guppies use trickery.  Competition in fish of the Poeciliidae family (fresh-water fish to which guppies belong) is especially intense, because members […]

SpaceX launches its biggest, most beefed-up Starship yet on test flight

SpaceX’s Starship 39 rocket launches from Starbase during the 12th test flight as seen from South Padre Island, Texas, on May 22, 2026. | Photo Credit: AFP SpaceX launched its biggest, most powerful Starship yet on a test flight Friday (May 22, 2026), an upgraded version that NASA is counting on to land astronauts on […]