Time may seem like a constant force, but according to a new study published on December 1 in The Astronomical Journal, the ...

Specifically, physicists and philosophers tend to conflate what it means for something to exist and what it means for ...

Standing in the elevator of a towering skyscraper, you might wonder if your journey upward changes more than just your view.

Einstein’s theory of relativity tells us that time is not absolute. It stretches, compresses, and shifts depending on one’s velocity and gravitational field. He once remarked to President Roosevelt ...

One of the most awkward parts of writing a book is that, eventually, authors have to ask people for “blurbs” – the endorsements that you see on the cover of a book, encouraging you to buy it. I am now ...

Shannon Curry remembers the first time she saw the moon up close. She was an undergraduate at Tufts University doing research in Oracle, Arizona, and got the chance to see the moon through a ...

Veteran astronaut Peggy Whitson, who has logged more time in space than any American or any woman worldwide, joined "CBS Mornings" to discuss a new mission for Axiom. Whitson, who completed 10 ...

This article was originally published at The Conversation. The publication contributed the article to Space.com's Expert Voices: Op-Ed & Insights. People from cultures across the world have been ...