Watch the full episode: <a href=" the largest star that we've ever discovered. And if it were to replace our Sun, it would ...

"Culture Quest explores the world of pop culture, history and thought-provoking ideas! We dive deep into the stories, ...

The researchers analysed oxygen isotopes from 14 samples from the Moon and carried out 191 measurements on minerals from Earth. Isotopes are varieties of the same element that differ only in the ...

Earth ejecta, for instance, could hold Earth life. "We're trying to figure out how much mass is reaching Venus from Earth, and how many cells can that mass carry," Emma Guinan, first author of a ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. A small space rock ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Space agencies are ...

Why does a rocket have to go 25,000 mph (about 40,000 kilometers per hour) to escape Earth? – Bo H., age 10, Durham, New Hampshire There’s a reason why a rocket has to go so fast to escape Earth.

Thanks to the parallax effect, the Moon's relative motion in its orbit around Earth appears significantly faster than the movement of Mars in its orbit around the Sun. There are undoubtedly ...

The enormous near-Earth asteroid (887) Alinda has made its closest approach to our planet in decades, and it's about to peak in brightness in a rare once-in-a-decade event. Here's how to watch it ...

A comet that has taken astronomers by surprise could shine as brightly as Venus in the night sky as it passes by Earth over the next few days. Comet C/2024 G3 (ATLAS) was spotted in April last ...

Languages: English. NASA is tracking a truck-sized asteroid which is set to hurtle by Earth today at many times the velocity of a speeding bullet. The space rock—dubbed "2025 BV5"—is estimated ...

Ranging from September 2004 to December 2023, it spans multiple levels of the atmosphere from ground level up to the lower edge of space, about 110 kilometers above Earth's surface. The region ...