Earth's orbit is an ellipse, not a perfect circle. Earth's distance from the Sun varies by about 3 million miles throughout the year. Earth's orbit's semimajor axis is approximately 93 million miles.

Comet C/2023 P1, Nishimura visible from Earth. Credit: NASA/JPL-Caltech | edited by Space.com Editorial: Another daylight ...

Earth will reach perihelion at 09:00 Universal Time on Saturday, January 4, 2025, the closest point to the sun in its annual, slightly elliptical orbit. The word comes from the Greek words peri (near) ...

NORFOLK, Va. — Each planet in our solar system takes a different amount of time to complete one orbit around the sun. For example, Mercury, being closest to the sun, takes just 88 Earth days to ...

Astronomers recently detected a stray quasi-moon in our planet’s orbit, but it's hardly the first stowaway to hang out around ...

Could a passing star be on a collision course with our solar system and, eventually, Earth? It’s difficult to know if such an outcome is likely. Recently, researchers have found the Milky Way likely ...

(WKBN) – If you have thought that the Earth is close to the sun in the summertime and that is why it is hotter this time of year, you will have to think again. While that may sound like common sense, ...

Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London.View full profile Alfredo has a PhD in Astrophysics and a Master's in Quantum ...

Earth captured asteroid 2024 PT5 back in September and expected to hold on to it till November according to Universidad Complutense de Madrid professor Carlos de la Fuente Marcos. See an orbit ...