On July 9, 2025, scientists at the International Earth Rotation and Reference Systems Service (IERS) reported that the Earth completed its rotation approximately 1.3 to 1.6 milliseconds faster than ...

Atomic clocks — among the most precise instruments humans have ever built — have been keeping track of Earth’s spin since the ...

Long-term changes in the planet's spin speed largely stem from Earth's core acting in unpredictable ways, researchers say.

Earth has experienced both hot and cold periods over time, though warm times have been more common. That’s true of the last 485 million years, as seen in this timeline reported in 2024. Our genus, ...

Astronomical discovery: supersonic gales of 20,500 mph batter the exoplanet WASP-127b, breaking cosmic records for ...

Here’s what you’ll learn when you read this story: Although the Earth completes one full rotation in 86,400 seconds on average, that spin fluctuates by a millisecond or two every day. Before ...

Despite being covered in impact craters that could potentially send pieces of the planet into space, we have never found a piece of Mercury. Until, just maybe, now.

Total export volumes of rare-earth magnets from China fell 74% in May from a year earlier, according to a Wall Street Journal analysis of Chinese customs data.

A giant umbrella-like satellite fitted with European tech has revealed its first images of Earth’s surface.

NASA’s Curiosity rover snapped pictures of a long-sought geological structure — dubbed “spiderwebs” — on the Red Planet that indicate a history of flowing water, the space agency announced.

If the new age of these Canadian rocks is solid, they would be the first and only ones known to have survived Earth’s earliest, tumultuous time.