By flying closer to the Sun than ever, Parker Solar Probe reveals the chaotic birthplace of solar wind and space storms, ...

Most people think a day on Earth is just the time it takes for the planet to make one full rotation on its axis, but that’s ...

July 9 was unusually short thanks to changes in how fast the Earth is spinning. But two other days this summer are expected ...

On July 9, 2025, scientists at the International Earth Rotation and Reference Systems Service (IERS) reported that the Earth ...

As Earth spins faster than it has in decades, atomic clocks are catching the difference, and shorter days are on the horizon.

The awe-inspiring distances of the cosmos are hard to visualise, so how can we be certain we are measuring them correctly?

The sun has a galactic-scale orbit. The sun rotates, though not quite the same way as a terrestrial planet like Earth.

In the past two years, without much notice, solar power has begun to truly transform the world’s energy system.

While that tiny time difference is imperceptible to humans, it represents part of a broader pattern that has left scientists ...

Right now, Earth is about 3.1 million miles farther from the sun than it is in early January when it reaches perihelion, its ...

Data from oceans, ice and the air all point to the same thing: rising invisible heat. What experiments are working, and what kinds of trials do we need to stop?