The new planet is almost the same size as Earth and swings around its home star, which is called LP 791-18, about once every three Earth days. Average temperatures there could spike to more than ...

Earth may seem like a one-of-a-kind planet, but it actually has a twin. Today, Venus is the hottest planet in our solar system. But a long time ago, it looked a lot like Earth.

An asteroid the size of a box truck made one of the closest passes of planet Earth ever recorded. The small near-Earth asteroid, called 2023 BU, zipped over the southern tip of South America at 7: ...

Apophis is projected to pass within 20,000 miles of our planet’s surface on April 13 2029. The menacing asteroid will harmlessly pass by, astronomers say. Apophis measures nearly a quarter of a ...

In about 500 million years, the sun will become so hot that Earth's oceans will evaporate, plate tectonics will grind to a halt, and so much carbon dioxide will build up in the atmosphere that our ...

The scientists announced in a news release that they have found a trans-Neptune Object(TNO), code-named 2017OF201, located past the icy and desolate region of the Kuplier Belt.

Earth as oxygenator. Earth loses about 90 tons of gas—mainly hydrogen and helium—to space every day. That’s tiny compared to the mass of our atmosphere, so there’s no cause for alarm. But ...

In an exciting breakthrough for astronomy and the search for extraterrestrial life, a team of international scientists has announced the discovery of Gliese 12 b, a temperate, Earth-sized ...

NASA spacecraft have captured a number of distant images of Earth, including a famous shot from billions of miles away. Here's our humble planet seen from deep space.