A 13-atom molecule containing sulfur has been discovered in interstellar space for the first time, providing insight into the origins of the chemistry of life.

Astronomers have found thousands of exoplanets around single stars, but few around binary stars—even though both types of stars are equally common. Physicists can now explain the dearth.

An exoplanet called HD 137010 b might be the closest thing astronomers have ever seen to “Earth 2.0.” The trouble is that ...

Traveling to the stars might remain a dream forever. Vast distances, physics limits, time dilation, and cosmic hazards make ...

“Time passed differently in the heavens. Muchukunda’s sacrifice became a cosmic bookmark between mythic epochs.” Cooper and ...

Polygon has rounded up the best icy sci-fi planets from our favorite video games, movies, television, and books ...

With Project Hail Mary on the verge of release, here's why we think that Ryan Gosling's sci-fi movie can be the new ...

Japanese startup Interstellar Technologies is developing Zero, a small launch vehicle. Credit: Interstellar Technologies WASHINGTON — Japanese launch vehicle startup Interstellar Technologies has ...

Scientists found new evidence (or lack thereof) disproving the conspiracy theory that interstellar comet 3I/ATLAS is alien technology.

When 3I/ATLAS swept past the sun in late October 2025, it became only the third confirmed visitor from interstellar space ever detected. Unlike the mysterious 'Oumuamua, which revealed almost nothing ...

Add Yahoo as a preferred source to see more of our stories on Google. Today is the day that astronomers, amateur stargazers and alien conspiracy theorists alike have been waiting for: interstellar ...