We don't know what gravity is. Say that to the average person, and the answer you'll probably get is some version of: "What are you talking about? Gravity is the force of attraction that makes things ...

Physicists have chased a unified description of nature for more than a century, yet quantum theory and gravity have ...

Physicists have long suspected that gravity might have a hidden quantum side, but for decades the idea has been more ...

What could be more familiar than gravity? Drop something and gravity pulls it to the floor, right? And in school we learn that gravity is what guides the moon in orbit around Earth, and Earth in its ...

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When I was five years old, my family moved into a 1930s semi-detached house with a long strip of garden. At the end of the garden was a miniature orchard of eight apple trees the previous owners had ...

Lots of people, including Einstein (see above), talk about gravity, the restraining force which makes people walk on floors instead of floating in midair. What worries Roger Babson, 74, economic ...