Few ideas in modern science have reshaped our understanding of reality more profoundly than space-time—the interwoven fabric of space and time at the heart of Albert Einstein's theory of relativity.

Scientists say fragments of energy may be the fundamental building blocks of the universe—not particles and waves.

If you wave your hand in front of your face, you won’t notice anything particularly interesting. Perhaps a gentle waft of air against your cheek – that’s about it. No epiphany. No major sign that ...

A new study suggests that spending time in space can actually speed up the physical aging process on a cellular level.

Astronaut and space industry leader Tom Marshburn explains how commercial space flight, AI, and new approaches to medicine will transform business, leadership, and life.

Did you know nearly 17,500 satellites have been launched since 1957? Or what about the fact that more than 10% of those ...