If you're looking to impress your friends with some rare space facts, these gems will serve you well. The Largest Known Star ...

Firefly Aerospace's Blue Ghost lunar lander is now headed for the moon after firing its engines to send it out of Earth orbit. Firefly Aerospace's Blue Ghost lunar lander is now headed for the ...

On this day 35 years ago, NASA's Voyager 1 spacecraft took a picture that changed how we see our planet. The iconic "Pale ...

At the end of 2024, astronomers detected an asteroid in the night sky. It was given the designation Y, since it was ...

The odds that asteroid 2024 YR4 could hit Earth in 2032 recently spiked from a little more than 1% to 2.3% as more observations are made.

Here are today's general risks from asteroids or comets both tiny and very large. Importantly, even relatively small rocks ...

NASA and European scientists explain how they calculate the probability of the space rock 2024 YR4 impacting our planet, and why it’s not yet time to worry.

The object, classified as a near-Earth asteroid because its orbit would bring it within 30 million miles of Earth, is the most hazardous space rock detected since astronomers first discovered ...

That’s the day an asteroid dubbed 2024 YR4 may strike our planet. Cosmic bookmakers don’t make an impact terribly likely. According to NASA, the odds of a collision are just 2.3%. But that nearly ...

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

An asteroid could potentially crash into Earth in less than eight years. Here's everything to know about asteroid 2024 YR4.

in diameter and if their orbit brings them within 5 million miles (8 million kilometers) of Earth’s orbit. The newly discovered asteroid measures between 130 and 300 feet wide (40 and 90 meters ...