Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to ...

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Three NASA astronauts and a Russian cosmonaut returned to Earth early Friday, splashing down in the Gulf of Mexico to close out an extended 235-day expedition to the International Space Station.

at least from the viewpoints of skywatchers on the ground — later on in the day. Although Thursday's routes do mark the closest recorded Earth approaches to date for these asteroids, their paths ...

Here’s how it works. If you were to imagine all of Earth's history as just one day, as in Carl Sagan's cosmic calendar, humans wouldn't arrive until the last few seconds before midnight.

The project has entered its third year and businesses can now submit their information to be included in the 2025 list, which will publish on Earth Day. The survey can be found here.

WASHINGTON, Oct 21 (Reuters) - The space rock that slammed into Earth 66 million years ago at the end of the Cretaceous Period caused a global calamity that doomed the dinosaurs and many other ...