Sci &Tech

CHENNAI/BENGALURU: Isro Sunday launched the 4,410kg CMS-03 or the Gsat-7R, a communication satellite that will enhance telecommunication coverage across the strategic Indian Ocean Region (IOR) for the Indian Navy.The launch of the heaviest communication satellite from Indian soil onboard LVM3-M5 from the second launch pad at the Satish Dhawan Space Centre, Sriharikota, marked the fifth…

There’s something beautifully democratic about a supermoon. No tickets, no telescopes, no Elon Musk subscriptions required. Just step outside, tilt your head, and for one night, the sky rewards you for remembering you’re on a spinning rock.This November, Earth gets its closest lunar rendezvous of the year — the supermoon of November 5–6, 2025, when…

If you ever wanted a courtroom drama where the jury consists of paleontologists, the defendant is a fossil, and the expert witness is a CT scanner, then welcome to the greatest dino trial since Jurassic Park made velociraptors the size of Great Danes. The 40-year mystery of the “tiny tyrant” has finally reached a verdict.For…

The year is 1838. A young German real estate agent, Thomas Hutter, is tasked with traveling to far-off Transylvania to meet the mysterious Count Orlok regarding a house for sale. While journeying through the Carpathian Mountains, he is warned multiple times about Orlok, but he remains undeterred. Upon reaching the castle, the count — pale,…

Sleep is often seen as a universal human need. But research suggests that women not only sleep differently from men but also need more of it.DW spoke with women in various regions of the world, who all shared stories of needing more rest than they were getting and told us of the toll of what’s…

Move over, Crayola, the Neanderthals were colouring outside the lines long before we were. Archaeologists led by Francesco d’Errico from the University of Bordeaux, along with an international team of researchers, have unearthed what might be the world’s oldest “crayon” — a 42,000-year-old yellow ochre stick found at Neanderthal sites in Crimea and Ukraine. The…

The year 2025 has brought us a rare cosmic visitor. 3I/ATLAS is only the third confirmed interstellar object ever detected — after ʻOumuamua in 2017 and Comet Borisov in 2019. Discovered on July 1, 2025, by the ATLAS survey telescope, this object is on a hyperbolic orbit, meaning it came in from outside our Sun’s…

Elon Musk’s SpaceX has responded to growing concerns from NASA about the readiness of its Starship rocket for lunar missions. On 30 October 2025, the company announced that it had submitted a “simplified” mission plan to NASA aimed at sending humans to the Moon safely and efficiently. In a detailed blog post, SpaceX explained that…

Comet 3I/ATLAS has fascinated astronomers and space enthusiasts worldwide as it makes its rare journey through our solar system. Recognised as the third known interstellar object, 3I/ATLAS originates from beyond our Sun, offering a unique glimpse of a visitor from another star system. Unlike typical comets that orbit the Sun, it follows a hyperbolic trajectory,…

In recent years, the rising congestion in Earth’s orbit has become one of the most pressing challenges facing space-faring nations. Thousands of inactive satellites, rocket fragments, and collision-generated particles now orbit the planet at high velocity, posing significant risks to operational spacecraft and the infrastructure that supports communications, navigation, and climate observation. With the global…