Gianluca Masi from the Virtual Telescope Project captured imagery of comet C/2022 E3 (ZTF). The comet's closest approach to Earth at 26.4 million miles (42.5 million km) away. Credit: Gianluca Masi / ...

Inner dark comets are smaller – typically 1,000 feet in size – and on circular orbits close to the Earth. It’s still not clear exactly what these dark comets are. They may not even be traditional ...

Was 2020’s ‘Don’t Look Up’ accurate? Find out what NASA revealed about an asteroid that will approach Earth in 2032.

At the very beginning of its history, Earth was dry. How did it become a blue planet? A new theory could provide an answer.

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

Countless celestial objects traverse the cosmos, each with its own unique characteristics and potential impact, literally, on Earth. Among ...

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

On the world's first Asteroid Day, Nina Burleigh discovers that Nasa has already commissioned a team of 'planetary defenders' ...

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

YR4 is circling Earth and NASA predicts it could strike the planet in 2032. Here's what to know about the asteroid headed ...