Measurements of this interstellar comet’s molecular makeup show an excess of heavy water molecules that is dramatically ...

The LHS 1903 system defies expectations with a rocky outer planet, prompting new ideas about how planets form and evolve.

While searching for life outside of planet Earth, we might not have to go beyond our solar system, as there is a chance that ...

Scientists are looking into the possibility that 'alien spaceship' 3I/ATLAS could have come from within our own solar system. This would challenge the belief that the comet was an "interstellar object ...

Add Yahoo as a preferred source to see more of our stories on Google. A view of HOPS-315, a baby star some 1,400 light-years from Earth where astronomers have observed evidence for the earliest stages ...

Around 70,000 years ago, a small, reddish star came near our solar system and disturbed comets and asteroids – just when modern humans were beginning to leave Africa. The star – Scholz’s star – named ...

Here’s what you’ll learn when you read this story: Every time an interstellar object comes whizzing into our Solar System, it brings with it a certain intrigue. Where is it from? How did it form? Why ...

Is alien invasion armageddon coming for us in November? That's the speculation set off by a legitimate academic study recently published by a team of scientists. In early July, a previously ...

Astronomers have discovered a remarkable planetary system where three very different objects orbit a distant star—and their paths are constantly changing. The system, known as TOI-201, offers a rare ...