Saturn at opposition tonight: What is the Seeliger effect and how to spot it in India

Saturn reaches opposition on October 4, making the planet visible for most of the night in India. As Earth passes between the Sun and Saturn, the Seeliger effect makes the rings appear brighter. NASA said, "coherent backscatters are an important contributor to the opposition surge." You can see it clearly.

From lab to life: Why translating AI advances to the real world is a major challenge

Artificial intelligence research faces major hurdles when moving from controlled labs to real-world settings. Systems that work well in high-quality conditions often struggle in homes or hospitals due to unpredictable lighting. Experts said, "The data used to train it cannot fully represent the enormous variability of the real world."

The 'grotesque' murder that shocked a nation: Where is Christa Pike’s accomplice now?

Christa Pike and her accomplices, Tadaryl Shipp and Shadolla Peterson, murdered 19-year-old Colleen Slemmer on January 12, 1995. While Pike remains on a ventilator after a failed execution, Peterson got parole after serving as a lookout. Former Police Chief Phil Keith said the scene was "an incredibly grotesque crime scene."

Astronomers detect first radio signal directly from a planet outside our solar system

Astronomers detected radio waves from Beta Pictoris b, a giant exoplanet 63 light-years away. This is the first time such signals came directly from a world outside our solar system. Joseph Callingham said the study was able to locate the radio emission at the planet itself and distinguish it from the star.

Two captive-bred great Indian bustards released in Rajasthan national park

Wildlife Institute of India scientists released two male great Indian bustards in Rajasthan's Desert National Park on Sunday morning. This project aims to help the critically endangered birds recover. Union Minister Bhupender Yadav said, "This landmark success has been made possible by the nearly decade-long unwavering dedication of our scientists."

A pollen fingerprint for spotting fakes

Researchers at Osmania University developed PollenSignum, a new security system using pollen grains and zinc oxide quantum dots to spot fake products. Dr A Vijaya Bhasker Reddy said, "Every plant has its own biological signature." The team filed patent No. 202641112522 on September 19 to protect this unique authentication technology.