Mars. From forming black holes to phantom dark energy, discover the cosmic mysteries astronomers uncovered last year.

Alien: Earth was only just renewed for a second season, but it's already poised to repeat one of Prometheus' worst mistakes. Alien: Earth is, by almost every measure, a big success. It has 94% ...

An alien flying in from space aboard a comet would look down on Earth and see that there is this highly influential and ...

Learn about the 3I/ATLAS mystery as Harvard's Avi Loeb reveals 'wobbling jets' that could suggest the interstellar visitor is ...

As 3I/ATLAS heads past Jupiter, viral theories claim the interstellar object could return towards Earth. What we know.

Europa has a vast, saltwater ocean beneath its icy shell, with more than twice the amount of water in all of Earth’s oceans ...

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

An unidentified object feared to be an alien spaceship as it flies through space has mysterious second tail, new pictures reveal. Interstellar visitor 3I/ ATLAS caused panic among scientists and ...

While alien hunting is often associated with tinfoil hats and flying saucers, the Search for Extraterrestrial Intelligence ...

The mischievous alien starred in a billion-dollar grossing film, sold more than $4 billion dollars in merchandise, and took ...

Interstellar object 3I/ATLAS is confirmed as a natural comet from beyond our solar system, posing no threat to Earth despite ...

Harvard's Avi Loeb warns interstellar comet 3I/ATLAS could be alien tech. Experts weigh in on planetary defence and the risks ...