Around 13.7 billion years ago, something collapsed. It fell outward into the nothingness that stretched in every direction, leaving something behind. A dense plasma, made of fundamental particles ...

Solving the mysteries of the outer solar system could shed light onhow the whole thing emerged — as well as how life on Earth was born. Why the rainbow of colors in the Kuiper belt?

Thanks to brilliant minds and the advancement of technology, we've delved deeper into outer space than ever before. Regardless, though, there are still quite a few unexplained mysteries of space ...

Romain Charles is lead of the Astronaut Operations Team at the European Astronaut Centre. People talk about planets orbiting the habitable zone of their star – the planet is not too hot and not ...

An 'alien' signal that has puzzled scientists since 2022 may have finally been solved. When the incident took place, a radio telescope detected a burst of energy with enough light to overshadow ...

They are constantly crashing into Earth from outer space, but no one knows their origin. Cosmic rays are streams of high-speed particles that fly through space and sometimes barrel into Earth.

Stream 'Top Ten Mysteries of Outer Space (2022)' and watch online. Discover streaming options, rental services, and purchase links for this movie on Moviefone. Watch at home and immerse yourself ...

Each Friday this summer, Life's Little Mysteries, a sister site to SPACE.com, presents The Greatest Mysteries of the Cosmos, starting with our solar system. Mercury, by virtue of being the closest ...