Explore the debate on climate change causes: human activities vs. natural variability. Discover the latest data, scientific ...

Last year, 2024, was the warmest year on record for the planet, easily breaking the previous record set just a year earlier.

"It's been such a puzzle that there was liquid water on Mars, because Mars is further from the sun, and also, the sun was ...

Earlier this month, relentless 90-mile-an-hour Santa Ana winds sent wildfires tearing through Greater Los Angeles, taking ...

In more solar energy news, a new study based on a NASA climate model suggests that using a combination of solar and wind energy is a viable way to power human missions to the Red Planet.

A new study of satellite imagery and high-resolution climate model data by scientists at the University of Rochester upends previous assumptions and provides insight about how the atmosphere and ocean ...

Harvard scientists explain how Mars had warm spells billions of years ago, allowing rivers and lakes to exist.

Mars haunts us as a vision of a planet gone wrong. It was once warm and wet, with rivers flowing across its surface and ...

The Pliocene epoch, which lasted from 5.3 million to 2.6 million years ago, was a consequential time in Earth's history. The ...