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What Is Gravity, and How Does It Work?

Legend has it that Isaac Newton had the moment of inspiration that would lead to his theory of gravity when, on a warm ...
BGR

Is There Zero Gravity On The ISS? Here's How It Works

You may have heard people say that aboard the International Space Station (ISS) there's "zero gravity," but in fact, gravity is still very much present. The station orbits Earth at an altitude of ...
The Conversation

We tested Einstein’s theory of gravity on the scale of the universe – here’s what we found

Kazuya Koyama receives funding from the Science Technology and Facilities Council. Levon Pogosian receives funding from the Natural Sciences and Engineering Research Council of Canada. Simon Fraser ...
The Conversation

Why Einstein must be wrong: In search of the theory of gravity

Valerio Faraoni receives funding from the Natural Sciences and Engineering Research Council of Canada. Andrea Giusti received funding from the European Union's Horizon 2020 research and innovation ...
Inverse

We are still testing Einstein’s theory of gravity — the results are getting weird

Everything in the universe has gravity — and feels it too. Yet this most common of all fundamental forces is also the one that presents the biggest challenges to physicists. Albert Einstein’s theory ...
Popular Mechanics

This Tiny Particle Could Upend Everything We Know About Gravity—And the Universe—Scientists Say

EVERYWHERE YOU LOOK, you can see gravity’s fingerprint. It’s in the path the moon takes around Earth each night and the humbling thump when you wipe out on an icy patch of sidewalk. The force of ...
Wired

The Hunt for a Fundamental Theory of Quantum Gravity

The original version of this story appeared in Quanta Magazine. Two blind spots torture physicists: the birth of the universe and the center of a black hole. The former may feel like a moment in time ...
TechCrunch

gravityLab wants to tackle the artificial gravity problem

Living without gravity spells disaster for the human body. Even a few weeks in microgravity can lead to issues with circulation and vision; over the longer term, the complications compound even ...
Space.com on MSN

NASA astronaut shows how to 'weigh' yourself in space | On the ISS this week Nov. 17-21, 2025

From measuring one's mass to boosting the almost 1 million pounds that comprise the entire orbiting complex, the Expedition 73 crew aboard the International Space Station had a busy week in Earth ...

A speed camera for the universe

There is an important and unresolved tension in cosmology regarding the rate at which the universe is expanding, and ...
Space.com

Why Einstein must be wrong: In search of the theory of gravity

Einstein's theory of gravity — general relativity — has been very successful for more than a century. However, it has theoretical shortcomings. When you purchase through links on our site, we may earn ...