If the building-size asteroid 2024 YR4 crashes into the moon in December 2032, the impact will produce a bright flash that ...

A new sunspot group has quickly grown and is spewing out the most intense type of solar flare. Effects on Earth are forecast ...

Exploring Earth's deep interior is a far bigger challenge than exploring the solar system. While we have traveled 25 billion km into space, the deepest we have ever gone below our feet is just over 12 ...

A newly detected gravitational wave, GW250114, is giving scientists their clearest look yet at a black hole collision—and a powerful way to test Einstein’s theory of gravity. Its clarity allowed ...

The sunspot region 4366 fired off dozens of powerful solar flares in 24 hours, including the single strongest flare since ...