Humanity has spent a century turning interstellar travel into a cultural inevitability, from pulp magazines to prestige ...

Astrophysicists are mapping a vast, hidden structure in space that appears to guide matter and radiation along a kind of ...

Engineers are developing a concept for interstellar travel using a swarm of 1,000 ultra-light "laser sails." The mission aims to send these sails to Proxima b, an exoplanet 4.25 light-years away, ...

Astronomer Avi Loeb argued that other objects like interstellar visitor 3I/ATLAS could be useful for reaching out to aliens, if they exist.

According to astrophysicist Avi Loeb, an interstellar object 3I/ATLAS could make a similar journey in roughly 8,000 years, ...