Early Mars seems to have had a protective atmosphere and liquid water in the form of oceans, rivers, and lakes. It may also ...

A Carnegie-led team of astronomers detected the strongest evidence yet of an atmosphere around a rocky planet beyond our ...

Fancy a hi-tech European weight-loss retreat or a family-friendly spa that starts at under £100? Rosie Green sent testers to ...

This Ecuador motorcycle day leaves the humid heat of Guayaquil and climbs through jungle and endless switchbacks until Chimborazo rises above the clouds, and knowing you are riding toward the point on ...

In the remote highlands of central Vietnam, near the border with Laos, scientists and explorers have uncovered one of Earth’s most extraordinary natural environments—hidden beneath the surface for ...

An artist's impression of the collision between the early Earth and Theia, which may have formed the moon MPS / Mark A. Garlick Around 4.5 billion years ago, a planet called Theia is thought to have ...

About 4.5 billion years ago, a colossal impact between the young Earth and a mysterious planetary body called Theia changed everything—reshaping Earth, forming the Moon, and scattering clues across ...

Each second of filmmaker Daniel Raven-Ellison's short film represents one percent of the Earth's surface. Only eight seconds show intact forest. A wetland in the U.K., seen from above. The short film ...

A 2025 satellite photo captures the stark contrast between the barren Poás volcano and the surrounding Costa Rican jungle. The volcano's super-acidic lake provides the perfect analog for studying how ...

The view of Earth from space is famously familiar—bright blue ocean, swirling gyres of white clouds, touches of terrestrial green. The luminosity of this image is the result of the sun’s rays shining ...

When a Mars-sized meteorite slammed into Earth billions of years ago, the impact completely reset any and all chemical processes on Earth, leaving nothing from before. Or so we thought. Reading time 3 ...

The search for an unknown planet in our solar system has inspired astronomers for more than a century. Now, a recent study suggests a potential new candidate, which the paper’s authors have dubbed ...