Comet 3I/ATLAS is the third known interstellar comet after 2017's 1I/'Oumuamua and 2019's 2I/Borisov. It was discovered on July 1, 2025 and made its closest approach to the sun in October. Now it is ...

The space object, which was only recently discovered by scientists, will pass closest to Earth on Friday, December 19. Here's ...

Right now, as a passenger on planet Earth, you’re zooming through space at incredible speeds. But why can't you feel it?

Scientists are sharpening their forecasts for how long Earth can remain a comfortable home for complex organisms, and the latest work points to a much earlier cutoff than the classic textbook ...

When we talk about feats of engineering, very few megastructures on Earth rival the sheer scale of China's Three Gorges Dam. It's located in Hubei province, spanning the mighty Yangtze River, and it's ...

Earth's rotation is randomly speeding up, and nobody is quite sure why. These speedups, which have occurred several times over the last few years, haven't had any effect on daily life, but they also ...

James O'Donoghue receives funding from the UK Science and Technology Facilities Council (STFC). Earth will complete a rotation 1.33 milliseconds earlier than usual on Tuesday, August 5. That makes it ...

A strange shift in Earth's rotation is making our days milliseconds shorter — and scientists are racing to understand why. The days are getting shorter and not just because summer is waning in the ...

Across the Northern Hemisphere, people are soaking up the long hours of summer sunlight, with no idea that they’re experiencing some of the shortest days since modern timekeeping began—by a ...

If you haven’t accomplished as much this summer as you had hoped to, you can blame forces far beyond your control: a few of these dog days, by one measure, are among the shortest you’ve ever lived ...

(CNN) — Earth is spinning faster this summer, making the days marginally shorter and attracting the attention of scientists and timekeepers. July 10 was the shortest day of the year so far, lasting ...

Earlier this month, the Earth spun just a bit faster than usual on July 9 and is expected to do so again on July 22 and Aug. 5, according to the website TimeAndDate. Over a millisecond was reportedly ...