Only a third of rivers had normal flows in 2024 while glaciers shrank for the third year, WMO report warns, urging stronger monitoring and data sharing to avert future crises ...

A new NASA study suggests that solar activity will remain high or rise further in the coming decades, contradicting previous assumptions that the sun was quieting down — and scientists "don't ...

A partial solar eclipse is coming up, but it won't be visible in North America. See when the next eclipse will be visible ...

Climate-fueled heat has caused thousands of excess deaths over the past three summers, which were the three hottest on record ...

NASA’s Mars rover finds organic signals in mudstone that resemble microbial activity, sparking new debate over life on the ...

Life on the International Space Station isn't always easy. There's not a lot of room, no showers, and no laundry. Photos show ...

Scientists believe intriguing leopard spots on a rock sampled by the Perseverance rover on Mars may have potentially been ...

The idea was that high-powered lasers would propel tiny probes to 20 percent of the speed of light, impelling them with ...

"The fact that we captured the aurora again demonstrates that our method for predicting aurorae on Mars and capturing them ...

Scientists using NASA’s Perseverance rover have captured visible green auroras on Mars and developed tools to predict them. Planetary scientists say they can now forecast when a green aurora will ...

NASA's Perseverance rover may have uncovered hints of ancient microbial life on Mars, with a rock sample from an old riverbed ...

NASA astronaut Sunita Williams opens up to PEOPLE about spending 9 months in space, what she missed the most and her tentative plans to retire.