The Hubble Space Telescope detected galaxies 13 billion light-years from Earth.

Oxygen makes up 46.6% of the Earth’s crust by mass, being the primary element in silicates.

The chemical element uranium decays with a half-life of 4.5 billion years, used for rock dating.

During the 1969 Apollo 11 mission, astronauts left mirrors on the Moon. Scientists still use them to measure the distance to the Moon with centimeter precision by sending laser beams from Earth. It...

The smallest country in the world, Vatican City, spans just 44 hectares. But it holds more art per square meter than anywhere else! For example, the Sistine Chapel, with its ceiling painted by Mich...

The chemical neutralization reaction between an acid and a base produces salt and water, studied in chemistry.

Ancient bone needles in Russia, dated to 30,000 years ago, indicate early clothing sewing.

The Naica caves in Mexico change color yearly! Scientists found the changes occur because of minerals in the water and temperature fluctuations.

The hottest place on Earth, Death Valley in the US, recorded 56.7°C in 1913. People living there have adapted: they build homes with thick walls and work only in the early morning to avoid the hea...

A Japanese island, Aogashima, thrives inside a double volcano crater. Its tiny village of 200 residents farms in this surreal volcanic landscape.

In Finland, ‘ice patterns’ on lakes are created by wind and frost. They look like natural paintings.

In Scotland, ‘ice castles’ on lakes form from frozen splashes. They look like crystal towers.

The oldest restaurant in the world, Sobrino de Botín in Madrid, has been operating since 1725. They cook dishes from 18th-century recipes, and even Goya worked there as a waiter before becoming a ...

Sea turtles lay up to 100 eggs at a time, counted in long-term observations.

A rare mushroom in Oregon forests glows green in the dark, attracting insects. It’s called ‘foxfire’ due to its eerie light.

An underground ‘forest’ in South Africa consists of roots from a single tree spanning 2,000 years. This Ficus tree grows in Echo Caves.

The largest animal migration in the world is the Arctic tern’s flight. They fly 40,000 km each year from the Arctic to Antarctica and back. These birds see more sunlight than any other creature o...

In 1942, a Mexican farmer stumbled upon Paricutin volcano, which grew right in his field. Within a year, it rose 424 meters, and the farmer’s village was destroyed by lava. It’s the only volcan...

The smallest bird in the world, the bee hummingbird from Cuba, is just 5 cm long. It weighs less than 2 grams but can flap its wings 80 times per second! These tiny creatures feed on nectar and loo...

In Australia, a ‘ghost tree’ with white bark glows in the dark. It’s found only in Queensland’s tropical rainforests.