Earth is our home planet, and it's the only place in the universe where we know for certain that life exists. Earth formed over 4.5 billion years ago from a swirling cloud of gas and dust squished ...

That’s not even close to the size of the “planet-killer” asteroid that slammed into Earth 66 million years ago and led to the extinction of dinosaurs. That one was estimated to be about 6.2 ...

Any telescope on the planet can contribute to planetary defense: If an astronomer anywhere on Earth spies an object that looks like an asteroid (or comet), they can report its findings to the ...

which could significantly redefine our understanding of the origins of life and how our planet was shaped. The team found ... Mar. 5, 2025 — Whether it's rivers cutting through earth ...

An asteroid capable of flattening a mid-sized city could potentially collide with Earth eight years from now, as its orbit around the sun briefly intersects the path of our planet. Named 2024 YR4 ...

Earth is moving much faster than it seems. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. It may feel like we're standing still, but Earth ...

The asteroid, discovered just after Christmas and named 2024 YR4, could strike the planet in December of 2032, according to NASA's Center for Near Earth Object Studies. South polar region of the ...

Pluto was always in a tough spot when it came to being a planet. Just 1,477 miles across, it's only one-fifth the diameter of Earth. It did have five known moons: Charon, Nix, Hydra, Kerberos and ...

The planet is a few weeks past a close encounter with Earth, making it appear bigger than usual. According to Mr. Willmitch, this proximity has also cast the Red Planet in somewhat of a golden hue.