The world standard of mass is the kilogram, whose definition is based on the mass of a metal cylinder kept in France.Previously, the standard was based upon the mass of one cubic centimeter of water ...

Monday’s single-sol plan included a marathon 45-meter drive (about 148 feet), which put us in position for two full sols of ...

When it descends through the thick golden haze on Saturn’s moon Titan, NASA’s Dragonfly rotorcraft will find eerily familiar ...

Is frozen water scattered in systems around other stars? Astronomers have long expected it is, partially based on previous detections of its gaseous form, water vapor, and its presence in our own ...

The Sun emitted a strong solar flare, peaking at 4:25 a.m. ET on Wednesday, May 14. NASA’s Solar Dynamics Observatory, which watches the Sun constantly, captured an image of the event. Solar flares ...

The Sun emitted a strong solar flare, peaking at 11:38 a.m. ET on May 13, 2025. NASA’s Solar Dynamics Observatory, which watches the Sun constantly, captured an image of the event. Solar flares are ...

On May 10, 2024, the first G5 or “severe” geomagnetic storm in over two decades hit Earth. The event did not cause any catastrophic damages, but it did produce surprising effects on Earth. The storm, ...

In July 2022, NASA’s James Webb Space Telescope made history, revealing a breathtaking view of a region now nicknamed the Cosmic Cliffs. This glittering landscape, captured in incredible detail, is ...

Burgos has been involved in two projects for the past four years: the International Astronomical Search Collaboration (IASC), which searches the sky for potentially dangerous asteroids, and Backyard ...

In a recent study, NASA-supported researchers gained new insight into the lives of bacteria that survive by grouping together as if they were a multi-cellular organism. The organisms in the study are ...

Make the jump to light-years as we cruise through the Milky Way galaxy. Video NASA/JPL-Caltech. We use light-time to measure the vast distances of space. It’s the distance that light travels in a ...

Franklin’s charts showed a smooth Gulf Stream rather than the twisted, swirling path revealed in ECCO data. And Franklin couldn’t have imagined the opposing flow of water below the Gulf Stream. The ...