YR4 has a 2.8% to 3.1% chance of hitting Earth in 2032. Astronomers are tracking it to refine estimates of its size and orbit to see how much of a risk the space rock poses.

With an equatorial diameter of 7926 miles (12,760 kilometers), our planet Earth is the biggest of the terrestrial planets and ...

The Blue Ghost lunar lander, built by the Texas-based company Firefly Aerospace for NASA, launched to space on Jan. 15, and ...

How fast is Earth moving? The sun doesn't sit idly in the center of these ellipses at equal distance from their farthest points. It actually follows its own tiny elliptical orbit around what is ...

Getting too close to the sun ... the Earth was likely outside of it, exposing the planet to interstellar space. In the paper, it was said: “It has been suggested that climate changes around ...

A group of YouTube conspiracy theorists who insisted the Earth was flat now concede that the planet could be a sphere after witnessing the 24-hour Antarctic sun for themselves. The Dec. 14 trip ...

In a project dubbed The Final Experiment, a group of Flat Earth proponents traveled to Antarctica at the height of summer in the southern hemisphere, expecting to witness the sun go down.

For a brief, but exciting, time last year, Earth had two moons. A small asteroid lingered close to our planet in its orbit around the Sun, temporarily caught by Earth’s gravity to become a far away ...

cause the Northern Lights around Earth. This velocity map, also called a ‘tachogram', shows the line-of-sight speed and direction of ... [+] movement of material at the Sun's visible surface.

The Earth as we know it came into being around 4.5 billion years ago when gravity condensed a mass from the cloud of hot gases and particles around the young sun ... the movement of solid and ...