A study of 2,000-year-old skulls from Dong Xa, an archaeological site in the Red River delta of northern Vietnam, found iron-rich compounds on enamel, suggesting intentional tooth blackening. Lead author Yue Zhang said he believes people used iron salts and plant tannins to achieve the look. The practice, once a beauty symbol, continues in parts of Southeast Asia even today.

A rare needlefish with peacock feather-like tail was spotted near Gomti Ghat in Dwarka. The Gomti River meets Arabian Sea, creating a brackish environment where freshwater and marine species can overlap. Marine biologists say seasonal changes, shifting salinity and unusual currents can bring marine species closer to shore. Climate variability and warming waters also alter species distribution.

Astronomers using NASA's Hubble Space Telescope discovered a nearly invisible "ghost galaxy" called CDG-2 that is composed of about 99% dark matter. Located roughly 300 million light-years away in the Perseus cluster, the galaxy was detected by spotting four tightly packed globular star clusters. The discovery offers a new way to find ultra-dim galaxies hidden in space.

The AI Summit projected India as a rising force in global AI governance, with bold declarations and global endorsements. But beneath the diplomatic applause lies a tougher reality: limited high-performance compute, negligible chip manufacturing, and few globally competitive AI models. India remains a massive AI consumer, not yet a core technology builder.

NASA is targeting to launch Artemis II, a crewed mission to send astronauts around the Moon, on March 6th. This decision comes after a successful rehearsal at Kennedy Space Center. An earlier practice run was halted due to hydrogen leak. Four astronauts will orbit the Moon for first time in over 50 years. They will circle the Moon’s far side.

Scientists led by University of Chicago discovered a new dinosaur species, Spinosaurus mirabilis, in Niger's Sahara Desert. The name means “wonderful spine lizard.” It resembles modern crocodiles and researchers believe it lived a semi-aquatic life and likely hunted fish in shallow waters. They said its skull bears a striking crest, which may have been covered in keratin and was colourful.

A study published in Blood Red Cells & Iron found that extreme endurance running can accelerate ageing. Ultramarathon running can damage red blood cells, making them less flexible and reducing oxygen delivery. While moderate running boosts health, extreme endurance may cause anaemia-like effects, though long-term impacts on the body remain unclear.

Floreana lineage giant tortoises have been reintroduced to Floreana island in the Galápagos archipelago for the first time in around 180 years. The subspecies was considered to have gone extinct, however, a relic population of giant tortoises were later discovered on Wolf volcano. Following a focused breeding program, 158 young hybrid tortoises have now been released on their ancestral island.

A 410-foot building-sized asteroid, 2025 YU15, will pass Earth today at a speed of 21,306 mph (34,288 kmph), according to NASA. At its closest, it will be about 3.66 million miles (5.89 million kilometres) away, a distance scientists consider relatively close in space terms. Experts have stressed that the asteroid poses no immediate threat to Earth.

Deep in the Indo-Burma biodiversity hotspot, botanists from the Botanical Survey of India have identified a brand-new species! The Siaha Cobra Lily stands out with its three-part leaves and towering height. Its name is a tribute to the people of Mizoram who help preserve these misty landscapes. A beautiful addition to the world's plant kingdom.