"We didn't know what exactly to expect from these first observations – the sun's poles are literally terra incognita,” Sami ...

You can watch comet 3I/ATLAS live online tonight (July 3), thanks to the Virtual Telescope Project, which will livestream ...

These things take millions of years to go from one stellar neighborhood to another, so this thing has likely been traveling ...

For decades, scientists have struggled to see the outermost layer of the Sun, called the corona, with enough detail to unlock ...

Astronomers had long been suspecting that some stars do meet their end of life with a dual detonation and new images prove ...

A massive object from outside the solar system is passing through, but the world is not in danger. It is a rare visitor, ...

Mars shines in the evening, and is joined briefly by Mercury. Jupiter joins Venus as the month goes on. And all month, look ...

An international team, led by Instituto de Astrofísica e Ciências do Espaço (IA) researcher Ângela Santos, has made the first ...

Astronomers using the European Space Agency's Cheops mission have caught an exoplanet that seems to be triggering flares of ...

The icy giant is more than 10 times the size of any known comet, according to the National Radio Astronomy Observatory.

New images are key to understanding solar magnetic storms and other space weather that can disrupt systems on Earth.