The interstellar object, 3I/ATLAS, was first discovered in July 2025, and made its closest approach to the sun (perihelion) ...

"This is one of the most exciting results from Solar Orbiter so far." ...

At times, the sun ejects energetic material into space, which can have consequences for space-based and even ground-based ...

New models suggest that Europa has very little tectonic activity at its seafloor, which is potentially catastrophic news for ...

The international team of astronomers reports that all of the types of ice in the comet appear to be sublimating. This is the phase change where a solid turns into a gas, skipping the liquid phase.

Discover the effects of a massive solar storm that hit Earth, bringing breathtaking auroras and challenges for technology.

ESA’s Proba-3 mission enables long-duration artificial solar eclipses in space, allowing continuous observation of the Sun’s ...

Sputnik skies to analysis of interstellar visitors, scientists are rethinking how and where to look for physical traces of ...

NASA data reveals a dramatic blue glow from the ancient interstellar comet 3I/ATLAS. Discover why this 8-billion-year-old ...

Solar activity is likely to be on the decline all the way to 2030, which will mark the end of Solar Cycle 25.

The Hubble Space Telescope has captured startling structures on interstellar comet 3I/ATLAS, narrow, sun-facing dust streams ...

Using NASA’s James Webb Space Telescope, astronomers from Seoul National University and other international institutions have been able to answer a question that has puzzled scientists for years about ...