Harvard scientist Avi Loeb suggests comet 3I/ATLAS may be an alien vessel seeding life, after NASA's SPHEREx spacecraft detected unexplained methane and organic chemicals on board.

If we were to ever find alien life, breaking the news to the general public could be much more difficult than one might think ...

Scientists have finally discovered how amino acids essential for life formed on the 4.6-billion-year-old asteroid Bennu.

The Black Knight Satellite and the Unanswered Questions in Earth’s Orbit ...

The combustible sedimentary rock, better known as coal, was not only crucial to the onset of advanced technology here on Earth, but it should also be key to the development of advanced E.T.s residing ...

This twist — that 3I/ATLAS' outer layers have been baked by the sun — does not derail our mission. It just makes the science ...

Using an advanced machine-learning algorithm, researchers in the UK and Japan have identified several promising candidate locations for the long-lost landing site of the Soviet Luna 9 spacecraft.

NASA faces backlash after a physicist claims Moon images are blurred to hide artificial alien structures, sparking fierce ...

Do Aliens Exist? This interesting question has kept the generations interested in the evidence of their existence on other ...

The quartet's arrival will take the ISS back up to its normal complement of seven crewmembers. The station has been staffed ...