For millions of years, a frozen traveler drifted in silence through the stars, carrying secrets from another world. This ...

Astronomers just caught a rare glimpse of an interstellar comet as it zoomed past Mars. Images of the object, dubbed 3I/ATLAS ...

If the astronomer's hypothesis is right, it could mean that the interstellar object is linked to alien technology.

Thirty years ago this week, two Swiss astronomers announced that they had spotted the first known planet orbiting a Sun-like ...

A new study suggests yet another theory for a possible extra planet in our solar system, likely of a size between Mercury and ...

A new study co-led by the University of Oxford and Google Cloud has shown how general-purpose AI can accurately classify real ...

Space scientists look back on three decades of exoplanet discoveries—from rows of massive ‘super-Earths‘ to worlds with ...