They sound like characters from a new Marvel movie, but these “Planetary Defenders” are real-life scientists in Tucson and elsewhere who are working to save the world from a major asteroid impact.

An asteroid is on a collision course with Earth, possibly making impact in 2032. But there’s no cause for alarm: There’s about a 2% chance of impact, and that number may go down. An asteroid is on a ...

Earthlings can keep their plans seven years from now after scientists have officially declared Asteroid 2024 YR4 is not a threat to our planet. Asteroid 2024 YR4 was discovered on Dec. 27 by the ...

GRAND FORKS, ND — Astronomers have turned their high-powered telescopes toward a 100-meter wide asteroid hurtling in its orbit through the Milky Way galaxy and are hoping it doesn’t collide with Earth ...

An image captured by the Asteroid Terrestrial-impact Last Alert System (ATLAS) when it discovered asteroid 2024 YR4. Credit: ATLAS / NASA An asteroid discovered late last year is expected to be in our ...

Gordon Osinski receives funding from the Natural Sciences and Engineering Research Council of Canada and the Canadian Space Agency. Western University provides funding as a member of The Conversation ...

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