From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.

Curiosity and MAVEN share the same alien sky, one on the ground and one in orbit, yet the rover will never simply “look up” ...

NASA reveals high-resolution images of interstellar comet 3I/ATLAS after the US shutdown. Is it alien tech? Associate ...

(KTLA) — NASA on Wednesday released new images and data of Comet 3I/ATLAS, the rare interstellar object that set off weeks of speculation — and a full-blown online debate — over whether it could be an ...

Nasa’s mission teams use extreme environments to trial equipment and procedures for future lunar and planetary exploration.

From mudstones on Mars to strange gases in exoplanet atmospheres, tentative evidence for extraterrestrial life is starting to ...

A NASA astrophysicist has recently proposed a theory that could potentially resolve the long-standing Fermi Paradox. The theory suggests that alien civilizations may be scattered sparsely throughout ...

Astronomers continue to track the mysterious interstellar visitor Comet 3I/ATLAS as it speeds through the solar system, using ...

NASA insists that 3I/ATLAS is a comet that is traveling faster than any other object in the solar system. 3I/ATLAS, an interstellar object, was observed by NASA in July 2025. Some scientists, like Avi ...