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

Nobody was expecting very strong energy dissipation inside Titan,” says Flavio Petricca, a postdoctoral fellow at NASA’s Jet ...

The answer is as obvious as it seems – the Earth looks flat when you're standing on it, not cone-shaped. Visual evidence ...

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 ...

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

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

Nuclear fusion. People on Mars. Artificial general intelligence. These are just some of the advances that could come by the ...

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

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

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

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