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

NASA’s Viking 1 lander set down in the Chryse Planitia region of Mars. Its identical twin, Viking 2, followed on Sept. 3 of ...

Explaining the passage of time has been a gnarly problem in physics basically forever, but physicist and computer scientist ...

The Fantastic Four #91 is a fun time travel fakeout story, and here is why you should want to own this classic Marvel Comics ...

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 Metroid Prime to Mass Effect 2, these sci-fi games are the very definition of perfection, offering experiences unlike ...

The discovery bemused residents of a small town in northeastern Australia. The objects appear to be junk from a space launch, ...

Amazon says it has enough satellites in orbit to begin initial broadband service at mid-latitudes later this year.

Looking up reveals nature’s skylight, framing Arizona blue against fiery red stone in perfect composition. Photo credit: ...

The Transiting Exoplanet Survey Satellite (TESS) revealed a distant planet located 40,000 light-years away using microlensing for the first time.

A set of protocols telling scientists what to do – and what not to do – if they ever detect evidence of intelligent life ...