NASA's Curiosity rover has photographed extraordinary spiderweb-like formations on Mars that scientists believe could hold ...

If an alien in the Alpha Centauri star system were craving pizza, it would take tens of thousands of years to deliver it ...

Uncover the truth behind '100 Space Secrets NASA Has Been Hiding From Us.' We debunk myths, reveal declassified UAP files, ...

Earth is dotted with humongous, human-made structures that, to an alien eye, may be tell-tale signs of intelligent goings-on.

We have no idea what kind of life may exist on other planets, so it’s hard to know what to look for. Proxima Kósmos imagines a very different kind of solar system that could harbor life-forms we haven ...

The US government has released a declassified video of a star-shaped object filmed over the Middle East in 2013, and it ...

Explore the 25 Biggest Discoveries in Space Exploration that fundamentally reshaped our understanding of the universe. From alien worlds to hidden oceans, ...

Interview with Brittany Bradford and Emma Ramos from 'Alien Girls' and talk about building this layered friendship, ...

An analysis of ancient human artefacts finds that the container, a simple but critical tool, may have originated 500,000 ...

Here's why these new results are so encouraging for scientists.

Some sci-fi writers are skilled enough to carefully build an intricate world across sagas spanning ten or more books.