Harvard astrophysicist Avi Loeb is one of the biggest proponents of the theory that the comet was sent by an alien ...

The Voynich manuscript has long been shorthand for the unsolved and the unknowable, a late medieval codex filled with looping ...

Scientists reveal that interstellar visitor 3I/ATLAS could be delivering organic building blocks to Jupiter's moon Europa, ...

Grab-and-go missions to asteroids have provided some of the most scientifically valuable samples since the Apollo ...

It can be hard to understand Elon Musk’s reality — especially as he appears to be on track to become the world’s first ...