New forecasts are helping scientists pinpoint one of the most elusive locations in space: the outer boundary of the Sun’s ...

Based on the composition of gases spewed by the icy space rock, researchers estimate that our guest might be up to 12 billion ...

Exactly where the comet 3I/ATLAS came from within the Milky Way remains a mystery.

Strange interstellar comet speculated to be alien spacecraft is older than Solar System - Scientists say comet represents ...

Astronomers studying the intriguing comet 3I/ATLAS on Monday said that this visitor is incredibly ancient, potentially nearly ...

PARIS, France — An interstellar comet that blazed past the Sun last year could be nearly three times older than our Solar ...

Southwest Research Institute (SwRI) scientists are using a solar wind forecasting method combined with analytic and numerical ...

"This is an object from a part of the galaxy we've never seen up close before." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

The SOLAR-1 satellite by NOAA is now fully operational after making the million-mile journey into deep space to study space weather.

The hunt for Planet Nine continues as new discoveries make the Solar System’s biggest mystery even harder to solve. Is there ...

Solar storms satellites must withstand are among the most powerful natural space events, driven by space weather activity that releases massive energy bursts into the solar system. These events ...

The three missions launched on a SpaceX Falcon 9 rocket the morning of September 24. NASA A SpaceX launch early Wednesday morning sent a trio of spacecraft toward a destination almost one million ...