Astronomers have identified a quartet of small rocky planets orbiting Barnard's star - one of our closest stellar neighbors - ...

The shape of a planet's orbit is one of its fundamental properties, along with its size and distance from its host star.

A planet’s orbit defines its movement around a star. Earth follows a nearly circular orbit, but exoplanets often take different paths. Some have very elongated orbits, while others resemble Earth’s ...

UCLA astrophysicists have now measured the shape of the orbits of exoplanets -- from the size of Jupiter down to the size of Mars -- and shown that small planets have nearly circular orbits, while ...

Astronomers have discovered four small planets orbiting Barnard's Star, the second-closest star system to Earth, using ...

"It’s a really exciting find — Barnard’s Star is our cosmic neighbor, and yet we know so little about it," Ritvik Basant, an ...

An international team led by researchers in Japan and Europe has discovered a new multi-planet system around a Sun-like star, ...

With an orbit of 647 days, HD 20794 d is similar to Mars in our solar system. However, its orbit around the star is highly ...