How does a planet’s size influence its orbit around its parent star? This is what a recent study published in the Proceedings of the National Academy of Sciences hopes to address as a team of ...

The newly discovered planet TIC 241249530 b has the most highly elliptical, or eccentric, orbit of any known planet. It appears to be a juvenile planet that is in the midst of becoming a hot Jupiter, ...

The eight planets in our solar system (yes, it's still weird for me to write "eight," too) orbit the sun in roughly circular paths, although they're ever-so-slightly ellipses instead of circles. A new ...

This artist’s impression shows a Jupiter-like exoplanet that is on its way to becoming a hot Jupiter — a large, Jupiter-like exoplanet that orbits very close to its star. NOIRLab/NSF/AURA/J. da Silva ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Astronomers have ...

Brad Carter receives funding from the Australian Research Council. Jonti Horner received funding from the Australian Research Council in 2016 to help construct Minerva-Australis, the exoplanet ...

The type of orbit an exoplanet occupies could result in astronomers missing out on possible radio transmissions coming from the planet. When you purchase through links on our site, we may earn an ...

A pull in the right direction ...

Strange giant planets known as hot Jupiters, which orbit close to their suns, got kicked onto their peculiar paths by nearby planets and stars, a new study finds. After analyzing the orbits of dozens ...

Scientists have confirmed the existence of an "extraordinary" hot Jupiter-type planet that may help explain how the gas giants of our own solar system were formed. The planet, named Kepler-1704b, ...

Perihelion is the point at which an orbiting body is closest to the sun. The word comes from Greek and literally means around ...