Geography

Earth’s acid test: How oceans became friendly for life

Scientists from Yale University and Singapore have developed a new model to estimate when Earth’s oceans became less acidic, allowing life to begin. Their research...

How early life on Earth got the nitrogen it needed

Life on Earth needs nitrogen. It is an essential building block for proteins and DNA, helping all living things grow and function. Even though nitrogen makes...

Earth’s ice age cycles: How orbital shifts shape our climate

Scientists have long known that Earth's climate goes through cycles of ice ages and warmer periods. Around 2.5 million years ago, the planet entered a...

Mars’s northern ice cap is surprisingly young

If you’ve ever looked at Mars through a telescope, you probably noticed its two polar ice caps. The northern one is made largely of water...

Scientists solve mystery of the pink shores in the Red Sea

Visitors to the shores of Eilat in the northern Gulf of Aqaba, Red Sea, during March and April in recent years have witnessed an...

Massive iceberg from Antarctica drifting toward South Georgia – what could happen next?

A gigantic iceberg is currently moving toward the island of South Georgia, a remote wildlife haven in the South Atlantic. While it is common for...

Ancient beaches on Mars: New evidence of a long-lost ocean

A Chinese rover that landed on Mars in 2021 has found strong evidence that the planet once had a vast ocean. Scientists believe this discovery...

Scientists discover how ‘bouncing’ winds damaged Houston’s skyscrapers

Houston is known for its towering skyscrapers, built to withstand hurricanes. However, on May 16, 2024, a powerful windstorm called a derecho caused unexpected damage...

Scientists uncover underwater fossil bed, revealing Florida’s prehistoric past

Around 500,000 years ago, a group of horses, sloths, and armadillos met an unfortunate fate when they fell into a sinkhole in Florida’s Big...

Scientists discover Australia’s oldest Megaraptor and first evidence of Carcharodontosaurs

A groundbreaking discovery has been made in Australia—scientists have uncovered the world’s oldest known megaraptorid fossils and the first evidence of carcharodontosaurs in the...