A provocative hypothesis by Harvard astrophysicist Professor Avi Loeb, that the interstellar object 3I/ATLAS might be an ...

Exoplanets like Earth have been discovered but not all Earth-like planets are equal when it comes to alien life.

Those concerned that 3I/ATLAS' arrival to our solar system meant that some sort of alien invasion was imminent can breathe a ...

NASA has taken a bold step in the search for alien life beyond Earth. The space agency announced the selection of seven ...

Aliens may have been closer to Earth than first thought. New research from NASA reveals that Ceres, the dwarf planet in the asteroid belt between Mars and Jupiter, harbored the right conditions to ...

A Harvard astronomer is making waves by suggesting that a massive interstellar object hurtling through our solar system might be an alien spacecraft. Professor Avi Loeb, who also serves as director of ...

A view of HOPS-315, a baby star some 1,400 light-years from Earth where astronomers have observed evidence for the earliest stages of planet formation. Combined with data from the James Webb Space ...

In 1995, a pair of scientists discovered a planet outside our solar system orbiting a solar-type star. Since that finding—which won the scientists a portion of the 2019 Nobel Prize in ...

The search for an unknown planet in our solar system has inspired astronomers for more than a century. Now, a recent study suggests a potential new candidate, which the paper’s authors have dubbed ...

Humans should look to planetary alignments outside of the solar system when searching for signatures of extraterrestrial communications, scientists say. The nascent search for radio transmissions from ...