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Astronomers using a global radio telescope array have detected the smallest known pure dark matter clump, roughly a million times the Sun’s mass. Found through a faint gravitational distortion in an Einstein ring, it offers new insight into how dark matter halos form across the universe.

A new study in Acta Astronautica warns that Low Earth Orbit is becoming dangerously congested. Since 2019, the number of satellites performing more than ten collision-avoidance maneuvers per month has risen sevenfold. With nearly 25,000 tracked objects and more launches planned, scientists fear a chain-reaction risk and call for stronger global coordination in orbital management.

Astronomers have captured the first image of two supermassive black holes orbiting in quasar OJ 287. The smaller black hole’s jet spirals due to gravitational forces from the larger one. This discovery validates dual-core theories and opens doors for research on gravitational waves and galaxy evolution.

The Samsung Galaxy S25 FE sits between the most expensive A-series handset and the entry-level flagship S-series model. At a price tag of Rs. 59,999, it competes against some really popular options. With a premium design, flagship processor, and faster charging, does the ‘Fan Edition’ offer enough to stand out among them? Here’s our Samsung Galaxy S25 FE review.

Vivo Watch GT 2 launched in China alongside the X300 series, Vivo TWS 5, and Vivo Pad 5e. It features a 2.07-inch rectangular display with a 60Hz refresh rate and 2,400 nits brightness, running on Blue River OS 3.0. Priced at CNY 499 (roughly Rs. 6,200) for Bluetooth and CNY 699 (roughly Rs. 8,700) for the eSIM variant, it offers up to 33 and 28 days of claimed battery life, respectively.

Windows 10 devices will stop receiving security updates starting October 14. Users might want to upgrade their laptops and PCs to the latest version of Windows 11, as there could be several undiscovered security vulnerabilities that could be exploited by bad actors once Microsoft stops providing support. While users can choose to opt for the Windows 10 Extended Security Updates (ESU) programme for receiving the security updates till next year, they will have to pay Microsoft to enroll for the same. On its website, the tech giant has listed multiple ways through which people can upgrade to Windows 11.