Gravity is the force of action between two objects. It’s called a natural force because it acts at a distance rather than needing to be in contact. Gravity is the force that holds us down on Earth and ...

Earth and the Moon are forever locked in a gravitational embrace that has played a critical role in determining the fate of both worlds. Although they have grown more distant since their formative ...

Ten events that would unfold if gravity suddenly vanished, beginning with the effects on our bodies and ending with the unraveling of the universe itself.

The Earth isn't perfectly round IT'S FLAT. Ok not really, but it isn't as perfectly round as you'd expect from lessons in primary school or glancing briefly at a globe, either. First of all, why are ...

Discovering a machine that could somehow produce thrust without releasing propellant would be a game-changer for human space travel. There’s just one problem—such a device would defy the laws of ...

Every year, the moon, Earth's reliable celestial companion for 4.5 billion years, is getting 1.5 inches away. The distance to ...

Scientists measure the distance to the Moon by bouncing lasers off mirrors placed there by space probes and astronauts.

The European Space Agency (ESA)’s Juice mission is heading to Jupiter, but it isn’t traveling all that way in a straight line. Instead, like most solar system missions, the spacecraft makes use of the ...

HANGZHOU, Sept. 29 (Xinhua) -- China on Monday launched the world's largest centrifuge by capacity, which can generate 300 ...

For more than sixty years, a tiny asteroid has been moving in step with Earth, hidden from view until recently. Astronomers now confirm that this small body, named 2025 PN7, is traveling in a special ...

An aerial drone photo taken on Sept. 29, 2025 shows the Centrifugal Hypergravity and Interdisciplinary Experiment Facility ...