Stephen Hawking thought an asteroid impact posed the greatest threat to life on Earth.

Scientists say the threat of a newly discovered asteroid has risen slightly in the past few weeks, as the world's telescopes ...

Over the next several weeks, astronomers will be looking closely at an asteroid called 2024 YR4 that could be as big as a ...

The space rock is heading in our direction at some 18,700 miles per hour, according to the space agency's data.

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

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

Astronomers Find the Smallest Asteroids Ever Detected in the Main Belt Dec. 9, 2024 — Astronomers have found a way to spot the smallest, 'decameter,' asteroids within the main asteroid belt.

Asteroid 2024 YR4 has a tiny chance of hitting Earth in 2032, but for now, you can watch it fly harmlessly through space in a short time-lapse video captured by the NASA-funded ATLAS telescope.

Credit: NASA Here are today's general risks from asteroids or comets both tiny and ... Mark is an award-winning journalist and the science editor at Mashable. After working as a ranger with ...

Scientists believe that two asteroids might be fragments of long-lost "planetary embryos" from the early solar system. "We identified two large asteroids that show similar spectral features to ...

Feb. 10, 2025 — Earth's inner core is undergoing structural transformation. Located 3,000 miles below the Earth's surface, the inner core is anchored by gravity within the molten liquid outer ...