Geological features like these provide evidence that Mars once had a denser atmosphere and significant surface water — ...

Earthlings, brace yourselves: the galaxy may be emptier than your last Tinder date. According to a new study, any alien ...

It is one of the most famous questions in science, and it was asked, as legend has it, over lunch. Enrico Fermi, the ...

Our search for extraterrestrial life has turned up empty, perhaps because technologically advanced civilizations are doomed ...

There is a silence in the night sky that has bothered me for as long as I can remember. ” That observation, attributed to ...

From waterfalls that seem to disappear into nowhere to blood-colored water, these places are shrouded in mystery-even if science can explain most of them.

Liu Yang, China's first female astronaut, extended warm greetings to women around the world on Sunday, celebrating International Women's Day with a message of empowerment and resilience. "Women are ...

A wild new theory has claimed the origins of life on Earth were delivered by aliens who were terraforming the planet into a habitable world billions of years ago. Robert Endres, a scientist from ...

Security Council meeting with a decisive message to its members: “Peace does not need to be fragile.” Mrs. Trump’s message of ...

Human beings have been at the center of ecological change on Earth for thousands of years. But as history shows, no species ...

More than five thousand years ago, Ancient Egypt rose from the banks of the Nile River to shape the foundations of science, architecture, and religion. This film explores the pharaohs, monuments, and ...