We measure the extremely long distances between things in space by light years. A light year is the distance that light travels in one Earth year. Light travels at about 300,000 kilometres per second.

China's Tianwen-2 probe continues on its journey to rendezvous with a near-Earth asteroid (NEA) before heading to the main asteroid belt. The second in China's interplanetary exploration program ...

Asteroid 2024 YR4 has a 0.0017% chance of hitting Earth, but media reports too often ignore the unlikelihood of impact in reports of near-Earth asteroids, a Tucson astronomer says.

Dimorphos is a “rubble pile” asteroid, a loose conglomeration of material such as rocks, pebbles, and boulders held together by gravity. This study only applies to this type of asteroid.

The answers to those questions depend on how we define the death of the solar system.

Space enthusiasts are tracking Asteroid 2025 MM. It is airplane-sized. It will safely pass by Earth this week. The asteroid will travel at a distance of 1.29 million kilometers. It is not a threat ...

Prepare to get schooled If you have kids in school, or even if you don’t, you’ve probably realized that there’s a lot about the day-to-day of school that’s changed in recent years. Everything from the ...

Joey Jaws, the human money printer is back to Coney Island on Friday ...