Last year, an interstellar traveler entered our solar system. Some speculated that it was an alien spacecraft, but it turned ...

Eventually, we'll launch a mission dedicated solely to studying an interstellar object. When that day comes, which one should ...

With new technologies come new opportunities. And that is especially true in astronomy—with every new advanced telescope, we ...

A mysterious object from another star system is racing through our Solar System, and every major space telescope is watching.

Astronomers have sharply revised down the mass of nearby super Earth GJ 3378b, dramatically improving its prospects as a ...

A comet screaming in from another star system carried alien ice ratios never seen before. What scientists found inside its spinning nucleus is reshaping how we picture worlds beyond our sun.

Project Hail Mary, Solaris, and The Hitchhiker's Guide to the Galaxy are all among the very best sci-fi books set in space.

From "Independence Day" to "Invasion of the Body Snatchers", movies and TV shows are packed with advice for anyone aspiring ...

May 15, 2026 NASA’s Roman Space Telescope could expose a vast hidden population of neutron stars lurking unseen across the Milky Way. By detecting subtle shifts in starlight caused by gravity, the ...

A Jupiter-size exoplanet orbiting a dead star baffled astronomers. But the planet named WD 1856 b could preview the fate of ...

NASA's exoplanet-hunting spacecraft TESS has a new method for detecting worlds beyond the solar system, and it is thanks to ...