Astronomers have discovered an additional 100 new worlds in data collected by NASA's exoplanet-hunting spacecraft TESS, thanks to an innovative AI program.

A former NASA developer has analyzed 1950 photographic plates showing nine unexplained objects in Earth's orbit, years before the first satellite launch, sparking alien technology theories ...

TOI-4616 b is an Earth-sized exoplanet orbiting an M-dwarf that offers a strong benchmark for studying atmospheric loss and ...

Humans have wondered for centuries whether we are alone in the universe — and a new study suggests that if alien ...