Harvard's Avi Loeb says a rare sun alignment on 22 January could prove interstellar visitor 3I/ATLAS is an alien spaceship.

The universe is getting ready to show us a rare, shadowless view of the deep unknown. Earth, the sun, and the mysterious ...

In the velvet darkness of our solar system, a mysterious traveller is currently making its grand exit, leaving a trail of ...

The upcoming year will offer a blood-red moon, spectacular meteor showers and the first glimpse of the sun’s corona since ...

A solar conjunction occurs as Venus' orbit carries it into alignment with the sun and Earth. Venus will align with the sun ...