A new paper posits that advanced alien civilizations may communicate through subtle flashes, like fireflies do on Earth. The ...

Deserts are often dismissed as empty wastelands of sand and sun, but these arid landscapes hide some of the most perplexing ...

It is unclear whether a [3I/ATLAS] would transmit radio signals … such signals would take tens of thousands of years to cross ...

Grab-and-go missions to asteroids have provided some of the most scientifically valuable samples since the Apollo ...

Unlike the comets that call our solar system home, 3I/ATLAS is a cosmic nomad on a hyperbolic trajectory — a one-time flyby ...

If you spotted a bright white light trail in the western Colorado sky on Friday, Jan. 2, we regret to inform it wasn’t aliens ...

As this interstellar object approached its closest point to Earth, a massive radio telescope attempted to sniff out a ...

Three symmetrical jets jutting out of interstellar object 3I/ATLAS are showing up in Hubble observations, puzzling astronomer ...

Hubble's latest images of interstellar comet 3I/ATLAS reveal sustained, jet-like eruptions and a carbon dioxide-rich coma ...

NASA’s search for life beyond Earth is no longer a distant dream but a coordinated campaign that now stretches from Martian ...