When polar ice sheets melt, the effects ripple across the world. The melting ice raises average global sea level, alters ...

An international study published in Nature Climate Change reveals that vast regions of the global ocean are experiencing compound state change, with simultaneously warming, becoming saltier or fresher ...

Across modern astronomy, the most striking pattern is not a single spectacular discovery but a drumbeat of similar clues.

For years, scientists have debated how long Mars could have supported life. While it’s been well-established that the planet once had water, new findings suggest that Mars may have been habitable for ...

Melting Antarctic ice reveals rocky peaks that release iron, which drifts into the ocean and helps tiny plants absorb carbon ...