Earth’s orbit around the Sun is not circular, but an ellipse that is slightly elongated with an eccentricity of 0.017. (An eccentricity of 0 is a circle, while the dwarf planet Pluto has a relatively ...

Earth gained a mini-moon this Sunday, Sept. 29 by capturing a nearby asteroid with its gravitational field. Earth pulled asteroid 2024 PT5 into its gravitational field, changing the asteroid’s orbit ...

Earth has a newly discovered—albeit temporary—companion in its journey around the sun. In research published this month in Research Notes of the AAS, a non-peer reviewed publication from the American ...

The object, the latest “quasi-moon” detected by astronomers, could be with us for almost another 60 years. By Robin George Andrews The Earth stands alone in the solar system as a habitable world, as ...

Earth has surpluses of radiation in its equatorial regions, and deficits toward its poles. Our weather is a matter of Earth ...

On Jan. 31, 1958, Explorer 1 became the first satellite launched by the United States. Its primary science instrument, a ...

Earth, sun, moon: three objects in space whose interactions have a pretty big impact on our lives. Earth orbits the sun once a year, and it rotates on its axis about once a day (depending on your ...

Earth experiences different seasons due to its 23.5-degree axial tilt and its orbit around the Sun. This tilt changes how sunlight reaches different regions throughout the year, leading to summer, ...