Nasa's old Galileo data reveals ammonia-bearing compounds on Europa's icy surface near fractured zones.

Whether or not aliens exist, the SETI program has never stopped believing. Yet today, radio telescopes are no longer seen as the best way to ...

A mysterious interstellar visitor sparks fears of alien contact as Baba Vanga's prophecy predicts a colossal spacecraft in 2026.

The curious minds at What If imagine traveling to a hellish planet in another solar system, exploring extreme temperatures, ...

All eyes have been on the nearly 5-6 km long exocomet, including NASA’s Transiting Exoplanet Survey Satellite, aka TESS.