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

Interstellar comet 3I/ATLAS, the third object ever confirmed to have originated beyond our solar system, is heading back into ...

An interstellar comet that blazed past the sun last year could be nearly three times older than our solar system and is ...

While life on Mars (and Venus) has long been an obsession for those wondering if we're alone, there are other places in our ...

The workings of our solar system are roughly the same now as they have been for millions of years. Moons circle their planets, the planets circle the sun, the sun’s magnetic fields and sunspots wax ...

An interstellar object – a comet from a distant star system – is passing through the space between Jupiter and Mars, and according to a recent study, Comet 3I/Atlas may be 3 billion years older than ...

The giant planets weren't always where we find them today. Jupiter, Saturn, Uranus and Neptune formed in a more compact configuration and later underwent a violent reshuffling that scattered them to ...