This Star Trek concept ignited a dream that humans could one day travel faster than the speed of light. Now physicists are ...

Cameron and Hurd use time travel as a plot device in the first Terminator movie. A killer robot is sent back to 1984 to ...

A hilarious independent sci-fi comedy about time travel, self-destruction, and the chaos of cloning yourself too many times ...

Time travel paradoxes like the grandfather problem and causal loops show how the universe may resist changes or trap actions ...

The nation's most magnificent cities can be particularly beautiful when snow is falling, but many American destinations are ...

Combing through 20 years of images from the European Space Agency's Mars Express and ExoMars Trace Gas Orbiter spacecraft, ...

Day 2 of the World Aviation Festival 2025 in Lisbon brought together some of the most influential voices in global aviation ...

The 2025 Nobel Prize in Chemistry is shared by Professor Susumu Kitagawa of Kyoto University in Japan, Professor Richard ...

Most Indian views about China have been heavily influenced by Western scholarship and media. Very few Indians have invested ...

There once was a dream of cities in space — vast cylindrical habitats, self-sufficient and populated by millions who would ...

Lacki’s study, “Artificial Broadcasts as Galactic Populations,” has been posted to the preprint science journal arXiv. In it, ...

For decades, scientists have been curious about how much water Mars once had and what led to its gradual transformation into ...